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CVE-2026-56743

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match

5.4 MediumFix available

Cilium is a networking, observability, and security solution. From 1.19.0 to 1.19.4, standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule when Cilium is configured with a custom clusterName rather than the default any value. The parser incorrectly instantiates a pod selector on selectorless peer definitions, allowing traffic from other workloads in the same namespace as the subject of the policy. This issue is fixed in version 1.19.5.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.25%Up 0.1 points since Jul 16, 2026
90%50%10%1%

What each source reports

CVE List Score used 5.4

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match

Cilium is a networking, observability, and security solution. From 1.19.0 to 1.19.4, standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule when Cilium is configured with a custom clusterName rather than the default any value. The parser incorrectly instantiates a pod selector on selectorless peer definitions, allowing traffic from other workloads in the same namespace as the subject of the policy. This issue is fixed in version 1.19.5.

Record
CVE-2026-56743
CVSS 3.1
5.4 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness
CWE-863
Updated
2026-11-02
EUVDEUVD-2026-44774 5.4

Cilium is a networking, observability, and security solution. From 1.19.0 to 1.19.4, standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule when Cilium is configured with a custom clusterName rather than the default any value. The parser incorrectly instantiates a pod selector on selectorless peer definitions, allowing traffic from other workloads in the same namespace as the subject of the policy. This issue is fixed in version 1.19.5.

Record
EUVD-2026-44774
CVSS 3.1
5.4 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-fm8w-2m5w-9j7r 5.4

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match

Impact

Standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule under specific cluster configurations.

When Cilium deployment is configured with a specific custom clusterName (rather than the default "any" value), the parser incorrectly instantiates a pod selector on selectorless peer definitions. This leads to Cilium appending an unintended wildcard namespace label selector to the policy's allowed Layer 3 rules, which allows traffic from other workloads in the same namespace as the subject of the policy.

Example policy affected by this issue:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: test-server
  namespace: default
spec:
  podSelector:
    matchLabels:
      app: test-server
  policyTypes:
  - Ingress
  ingress:
  - from:
    - ipBlock:
        cidr: 192.0.2.3

In affected versions, this policy erroneously allows the test-server Pod in the default namespace to receive any traffic from other workloads running in the default namespace.

Patches

This issue has been patched in:

  • Cilium v1.19.5

Releases below v1.19.0 are not affected.

This issue affects:

  • Cilium v1.19 between v1.19.0 and v1.19.4 inclusive

Workarounds

Developers can create the equivalent policy using CiliumNetworkPolicy fromCIDR expressions. CiliumNetworkPolicy and CiliumClusterwideNetworkPolicy are not affected by this issue.

Acknowledgements

Special thanks to @TheBeeZee for reporting this issue and preparing the fix, and to @fristonio and @odinuge for their assistance in reviewing the solution.

For more information

If a vulnerability affecting Cilium appears to have been found, the Cilium security team strongly encourages reporting it to the security mailing list at [email protected]. This is a private mailing list for the Cilium security team, and the report will be treated as top priority.

Record
GHSA-fm8w-2m5w-9j7r
CVSS 3.1
5.4 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness
CWE-863
Updated
2026-11-02
NVD 5.4

Cilium is a networking, observability, and security solution. From 1.19.0 to 1.19.4, standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule when Cilium is configured with a custom clusterName rather than the default any value. The parser incorrectly instantiates a pod selector on selectorless peer definitions, allowing traffic from other workloads in the same namespace as the subject of the policy. This issue is fixed in version 1.19.5.

Record
CVE-2026-56743
CVSS 3.1
5.4 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness
CWE-863
Updated
2026-11-02
OSV 5.4

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match

Cilium is a networking, observability, and security solution. From 1.19.0 to 1.19.4, standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule when Cilium is configured with a custom clusterName rather than the default any value. The parser incorrectly instantiates a pod selector on selectorless peer definitions, allowing traffic from other workloads in the same namespace as the subject of the policy. This issue is fixed in version 1.19.5.

Record
CVE-2026-56743
CVSS 3.1
5.4 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness
CWE-863
Updated
2026-11-02
OSVGHSA-fm8w-2m5w-9j7r 5.4

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match

Impact

Standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule under specific cluster configurations.

When Cilium deployment is configured with a specific custom clusterName (rather than the default "any" value), the parser incorrectly instantiates a pod selector on selectorless peer definitions. This leads to Cilium appending an unintended wildcard namespace label selector to the policy's allowed Layer 3 rules, which allows traffic from other workloads in the same namespace as the subject of the policy.

Example policy affected by this issue:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: test-server
  namespace: default
spec:
  podSelector:
    matchLabels:
      app: test-server
  policyTypes:
  - Ingress
  ingress:
  - from:
    - ipBlock:
        cidr: 192.0.2.3

In affected versions, this policy erroneously allows the test-server Pod in the default namespace to receive any traffic from other workloads running in the default namespace.

Patches

This issue has been patched in:

  • Cilium v1.19.5

Releases below v1.19.0 are not affected.

This issue affects:

  • Cilium v1.19 between v1.19.0 and v1.19.4 inclusive

Workarounds

Developers can create the equivalent policy using CiliumNetworkPolicy fromCIDR expressions. CiliumNetworkPolicy and CiliumClusterwideNetworkPolicy are not affected by this issue.

Acknowledgements

Special thanks to @TheBeeZee for reporting this issue and preparing the fix, and to @fristonio and @odinuge for their assistance in reviewing the solution.

For more information

If a vulnerability affecting Cilium appears to have been found, the Cilium security team strongly encourages reporting it to the security mailing list at [email protected]. This is a private mailing list for the Cilium security team, and the report will be treated as top priority.

Record
GHSA-fm8w-2m5w-9j7r
CVSS 3.1
5.4 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness
CWE-863
Updated
2026-11-02
Show 7 moreShow less
OSVBIT-cilium-2026-56743 No score

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match

Cilium is a networking, observability, and security solution. From 1.19.0 to 1.19.4, standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule when Cilium is configured with a custom clusterName rather than the default any value. The parser incorrectly instantiates a pod selector on selectorless peer definitions, allowing traffic from other workloads in the same namespace as the subject of the policy. This issue is fixed in version 1.19.5.

Record
BIT-cilium-2026-56743
Updated
2026-11-02
OSVBIT-cilium-operator-2026-56743 No score

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match

Cilium is a networking, observability, and security solution. From 1.19.0 to 1.19.4, standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule when Cilium is configured with a custom clusterName rather than the default any value. The parser incorrectly instantiates a pod selector on selectorless peer definitions, allowing traffic from other workloads in the same namespace as the subject of the policy. This issue is fixed in version 1.19.5.

Record
BIT-cilium-operator-2026-56743
Updated
2026-11-02
OSVBIT-hubble-relay-2026-56743 No score

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match

Cilium is a networking, observability, and security solution. From 1.19.0 to 1.19.4, standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule when Cilium is configured with a custom clusterName rather than the default any value. The parser incorrectly instantiates a pod selector on selectorless peer definitions, allowing traffic from other workloads in the same namespace as the subject of the policy. This issue is fixed in version 1.19.5.

Record
BIT-hubble-relay-2026-56743
Updated
2026-11-02
OSVGO-2026-6367 No score

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match in github.com/cilium/cilium

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match in github.com/cilium/cilium

Record
GO-2026-6367
Updated
2026-11-02
OSVopenSUSE-SU-2026:21897-1 No score

Security update for govulncheck-vulndb

This update for govulncheck-vulndb fixes the following issues:

Changes for govulncheck-vulndb:

  • Update to version 0.0.20260916T180043 2026-09-16T18:00:43Z (jsc#PED-11136).

Go CVE Numbering Authority IDs added or updated with aliases:

  • GO-2026-6348 CVE-2026-84304 GHSA-vp52-pcj8-j9qc
  • GO-2026-6356 CVE-2026-65959 GHSA-mhc4-g3wh-cw7m
  • GO-2026-6366 CVE-2026-61625 GHSA-8q3c-rjr9-xxrp
  • GO-2026-6372 CVE-2026-79921 GHSA-6c5v-hqjr-5xxp
  • GO-2026-6441 CVE-2026-84303 GHSA-qc2q-p7wx-3px3
  • GO-2026-6443 CVE-2026-84445 GHSA-2v4p-qf9q-27wj
  • GO-2026-6444 CVE-2026-53495 GHSA-7jxh-36q5-gcqv
  • GO-2026-6445 CVE-2025-58363 GHSA-c23q-fw86-9h5x
  • GO-2026-6446 CVE-2025-24978 GHSA-g8rh-fjm6-h2h9
  • GO-2026-6447 CVE-2025-24979 GHSA-pqqc-8v73-9gg2
  • GO-2026-6448 CVE-2026-59185 GHSA-cp3j-m783-3ph5
  • GO-2026-6449 GHSA-hxjg-93wc-h8p8
  • GO-2026-6450 CVE-2026-59172 GHSA-m835-3cm9-rggg
  • GO-2026-6451 CVE-2026-59157 GHSA-v25g-mvwr-f5fp
  • GO-2026-6452 CVE-2026-59162 GHSA-fx5j-qcqg-grpf
  • GO-2026-6453 CVE-2026-59161 GHSA-q5j5-6p94-4gwc
  • GO-2026-6454 CVE-2026-88012 GHSA-7ghq-v6jf-g56c
  • GO-2026-6455 CVE-2026-88011 GHSA-rf44-j88r-hh8c
  • GO-2026-6456 CVE-2026-88045 GHSA-2p48-j3qc-rx9f
  • GO-2026-6457 CVE-2026-88046 GHSA-38xv-hf3p-h7mq
  • GO-2026-6458 CVE-2026-88017 GHSA-c476-6w5q-jw77
  • GO-2026-6459 CVE-2026-88016 GHSA-f8g7-2xjc-7mfh
  • GO-2026-6460 CVE-2026-88044 GHSA-p569-5gjg-9cmj
  • GO-2026-6461 CVE-2026-88015 GHSA-p6m2-r3w9-mpxw
  • GO-2026-6462 CVE-2026-88018 GHSA-xwwr-4h3p-r22c
  • GO-2026-6463 CVE-2026-88013 GHSA-486v-q2wf-fp2r
  • GO-2026-6464 CVE-2026-88014 GHSA-66hp-wgxq-6f5q
  • GO-2026-6465 CVE-2026-88009 GHSA-f52w-8j3h-j724
  • GO-2026-6466 CVE-2026-88007 GHSA-qqjf-53cj-pwvv
  • GO-2026-6467 CVE-2026-88004 GHSA-v67p-phpq-fc8x
  • GO-2026-6468 CVE-2026-88008 GHSA-w4v4-9rw7-5326
  • GO-2026-6469 CVE-2026-56665 GHSA-v77h-2w3m-94hx
  • GO-2026-6470 CVE-2026-56666 GHSA-992q-9gwp-7r79
  • GO-2026-6473 CVE-2026-76081 GHSA-v859-c572-qh5p
  • GO-2026-6474 CVE-2026-56668 GHSA-vrh8-c9cm-wh8v
  • Update to version 0.0.20260910T144842 2026-09-10T14:48:42Z.
  • GO-2026-6302 GHSA-mf7q-r4rv-jv94
  • GO-2026-6343 CVE-2026-25782 GHSA-qm72-8prh-g92x
  • GO-2026-6344 CVE-2026-26292 GHSA-rc56-rj3f-xggf
  • GO-2026-6345 CVE-2026-27779 GHSA-v8f2-2ghq-9whv
  • GO-2026-6346 CVE-2026-27780 GHSA-vhq7-fwwh-7hjf
  • GO-2026-6347 CVE-2026-27660 GHSA-x92v-f5gc-r34v
  • GO-2026-6350 CVE-2026-59832 GHSA-275h-v5h9-vr82
  • GO-2026-6351 CVE-2026-72920 GHSA-2v6v-25fm-p4fg
  • GO-2026-6353 CVE-2026-59834 GHSA-h89q-4j2h-7h88
  • GO-2026-6357 CVE-2026-73667 GHSA-2mw5-23gm-pccq
  • GO-2026-6358 CVE-2026-73841 GHSA-52gf-6rpq-fgmx
  • GO-2026-6359 CVE-2026-67446 GHSA-75mr-qw9x-3r39
  • GO-2026-6360 CVE-2026-73840 GHSA-c5f6-2rm9-2w8g
  • GO-2026-6361 CVE-2026-72921 GHSA-gv5w-hfx8-8cwq
  • GO-2026-6362 CVE-2026-73843 GHSA-qh9r-j7rp-4x2m
  • GO-2026-6363 CVE-2026-67445 GHSA-w878-pj84-3j5v
  • GO-2026-6364 GHSA-99rq-75j6-5j9f
  • GO-2026-6365 GHSA-gw25-m53r-qh88
  • GO-2026-6367 CVE-2026-56743 GHSA-fm8w-2m5w-9j7r
  • GO-2026-6368 CVE-2026-75602 GHSA-h6cj-26g5-67fv
  • GO-2026-6369 CVE-2026-73232 GHSA-jcvh-xf52-2cwm
  • GO-2026-6370 CVE-2026-73292 GHSA-8cj9-r88m-8945
  • GO-2026-6371 CVE-2026-73293 GHSA-cxvf-gvfq-36w2
  • GO-2026-6373 CVE-2026-69086 GHSA-7hm9-v7vf-7g4w
  • GO-2026-6374 CVE-2026-69083 GHSA-fph3-ghq9-vw66
  • GO-2026-6377 CVE-2026-69084 GHSA-vh22-h7hf-www7
  • GO-2026-6379 CVE-2026-68586 GHSA-36v8-mpjm-8j5r
  • GO-2026-6381 CVE-2026-68587 GHSA-69mh-gvh4-8gp7
  • GO-2026-6382 CVE-2026-68584 GHSA-7j72-f6wg-cxw6
  • GO-2026-6384 CVE-2026-68585 GHSA-pm3w-vxp9-ccwc
  • GO-2026-6386 CVE-2026-72809 GHSA-3mp7-4rh5-jrv9
  • GO-2026-6387 CVE-2026-72805 GHSA-67x2-mq63-v9vm
  • GO-2026-6388 CVE-2026-72806 GHSA-6mcf-g667-w3qv
  • GO-2026-6392 CVE-2026-72801 GHSA-8x84-r2ff-h8pq
  • GO-2026-6395 CVE-2026-72800 GHSA-5fhr-f75j-8wr9
  • GO-2026-6398 CVE-2026-72802 GHSA-jv8v-xq2h-657v
  • GO-2026-6400 CVE-2026-72810 GHSA-mw8r-mw84-88v2
  • GO-2026-6402 CVE-2026-72811 GHSA-q2vg-7qgx-x5fc
  • GO-2026-6404 CVE-2026-72803…
Record
openSUSE-SU-2026:21897-1
Updated
2026-11-02
OSVSUSE-SU-2026:23855-1 No score

Security update for govulncheck-vulndb

This update for govulncheck-vulndb fixes the following issues:

Changes for govulncheck-vulndb:

  • Update to version 0.0.20260916T180043 2026-09-16T18:00:43Z (jsc#PED-11136).

Go CVE Numbering Authority IDs added or updated with aliases:

  • GO-2026-6348 CVE-2026-84304 GHSA-vp52-pcj8-j9qc
  • GO-2026-6356 CVE-2026-65959 GHSA-mhc4-g3wh-cw7m
  • GO-2026-6366 CVE-2026-61625 GHSA-8q3c-rjr9-xxrp
  • GO-2026-6372 CVE-2026-79921 GHSA-6c5v-hqjr-5xxp
  • GO-2026-6441 CVE-2026-84303 GHSA-qc2q-p7wx-3px3
  • GO-2026-6443 CVE-2026-84445 GHSA-2v4p-qf9q-27wj
  • GO-2026-6444 CVE-2026-53495 GHSA-7jxh-36q5-gcqv
  • GO-2026-6445 CVE-2025-58363 GHSA-c23q-fw86-9h5x
  • GO-2026-6446 CVE-2025-24978 GHSA-g8rh-fjm6-h2h9
  • GO-2026-6447 CVE-2025-24979 GHSA-pqqc-8v73-9gg2
  • GO-2026-6448 CVE-2026-59185 GHSA-cp3j-m783-3ph5
  • GO-2026-6449 GHSA-hxjg-93wc-h8p8
  • GO-2026-6450 CVE-2026-59172 GHSA-m835-3cm9-rggg
  • GO-2026-6451 CVE-2026-59157 GHSA-v25g-mvwr-f5fp
  • GO-2026-6452 CVE-2026-59162 GHSA-fx5j-qcqg-grpf
  • GO-2026-6453 CVE-2026-59161 GHSA-q5j5-6p94-4gwc
  • GO-2026-6454 CVE-2026-88012 GHSA-7ghq-v6jf-g56c
  • GO-2026-6455 CVE-2026-88011 GHSA-rf44-j88r-hh8c
  • GO-2026-6456 CVE-2026-88045 GHSA-2p48-j3qc-rx9f
  • GO-2026-6457 CVE-2026-88046 GHSA-38xv-hf3p-h7mq
  • GO-2026-6458 CVE-2026-88017 GHSA-c476-6w5q-jw77
  • GO-2026-6459 CVE-2026-88016 GHSA-f8g7-2xjc-7mfh
  • GO-2026-6460 CVE-2026-88044 GHSA-p569-5gjg-9cmj
  • GO-2026-6461 CVE-2026-88015 GHSA-p6m2-r3w9-mpxw
  • GO-2026-6462 CVE-2026-88018 GHSA-xwwr-4h3p-r22c
  • GO-2026-6463 CVE-2026-88013 GHSA-486v-q2wf-fp2r
  • GO-2026-6464 CVE-2026-88014 GHSA-66hp-wgxq-6f5q
  • GO-2026-6465 CVE-2026-88009 GHSA-f52w-8j3h-j724
  • GO-2026-6466 CVE-2026-88007 GHSA-qqjf-53cj-pwvv
  • GO-2026-6467 CVE-2026-88004 GHSA-v67p-phpq-fc8x
  • GO-2026-6468 CVE-2026-88008 GHSA-w4v4-9rw7-5326
  • GO-2026-6469 CVE-2026-56665 GHSA-v77h-2w3m-94hx
  • GO-2026-6470 CVE-2026-56666 GHSA-992q-9gwp-7r79
  • GO-2026-6473 CVE-2026-76081 GHSA-v859-c572-qh5p
  • GO-2026-6474 CVE-2026-56668 GHSA-vrh8-c9cm-wh8v
  • Update to version 0.0.20260910T144842 2026-09-10T14:48:42Z.
  • GO-2026-6302 GHSA-mf7q-r4rv-jv94
  • GO-2026-6343 CVE-2026-25782 GHSA-qm72-8prh-g92x
  • GO-2026-6344 CVE-2026-26292 GHSA-rc56-rj3f-xggf
  • GO-2026-6345 CVE-2026-27779 GHSA-v8f2-2ghq-9whv
  • GO-2026-6346 CVE-2026-27780 GHSA-vhq7-fwwh-7hjf
  • GO-2026-6347 CVE-2026-27660 GHSA-x92v-f5gc-r34v
  • GO-2026-6350 CVE-2026-59832 GHSA-275h-v5h9-vr82
  • GO-2026-6351 CVE-2026-72920 GHSA-2v6v-25fm-p4fg
  • GO-2026-6353 CVE-2026-59834 GHSA-h89q-4j2h-7h88
  • GO-2026-6357 CVE-2026-73667 GHSA-2mw5-23gm-pccq
  • GO-2026-6358 CVE-2026-73841 GHSA-52gf-6rpq-fgmx
  • GO-2026-6359 CVE-2026-67446 GHSA-75mr-qw9x-3r39
  • GO-2026-6360 CVE-2026-73840 GHSA-c5f6-2rm9-2w8g
  • GO-2026-6361 CVE-2026-72921 GHSA-gv5w-hfx8-8cwq
  • GO-2026-6362 CVE-2026-73843 GHSA-qh9r-j7rp-4x2m
  • GO-2026-6363 CVE-2026-67445 GHSA-w878-pj84-3j5v
  • GO-2026-6364 GHSA-99rq-75j6-5j9f
  • GO-2026-6365 GHSA-gw25-m53r-qh88
  • GO-2026-6367 CVE-2026-56743 GHSA-fm8w-2m5w-9j7r
  • GO-2026-6368 CVE-2026-75602 GHSA-h6cj-26g5-67fv
  • GO-2026-6369 CVE-2026-73232 GHSA-jcvh-xf52-2cwm
  • GO-2026-6370 CVE-2026-73292 GHSA-8cj9-r88m-8945
  • GO-2026-6371 CVE-2026-73293 GHSA-cxvf-gvfq-36w2
  • GO-2026-6373 CVE-2026-69086 GHSA-7hm9-v7vf-7g4w
  • GO-2026-6374 CVE-2026-69083 GHSA-fph3-ghq9-vw66
  • GO-2026-6377 CVE-2026-69084 GHSA-vh22-h7hf-www7
  • GO-2026-6379 CVE-2026-68586 GHSA-36v8-mpjm-8j5r
  • GO-2026-6381 CVE-2026-68587 GHSA-69mh-gvh4-8gp7
  • GO-2026-6382 CVE-2026-68584 GHSA-7j72-f6wg-cxw6
  • GO-2026-6384 CVE-2026-68585 GHSA-pm3w-vxp9-ccwc
  • GO-2026-6386 CVE-2026-72809 GHSA-3mp7-4rh5-jrv9
  • GO-2026-6387 CVE-2026-72805 GHSA-67x2-mq63-v9vm
  • GO-2026-6388 CVE-2026-72806 GHSA-6mcf-g667-w3qv
  • GO-2026-6392 CVE-2026-72801 GHSA-8x84-r2ff-h8pq
  • GO-2026-6395 CVE-2026-72800 GHSA-5fhr-f75j-8wr9
  • GO-2026-6398 CVE-2026-72802 GHSA-jv8v-xq2h-657v
  • GO-2026-6400 CVE-2026-72810 GHSA-mw8r-mw84-88v2
  • GO-2026-6402 CVE-2026-72811 GHSA-q2vg-7qgx-x5fc
  • GO-2026-6404 CVE-2026-72803…
Record
SUSE-SU-2026:23855-1
Updated
2026-11-02
OSVSUSE-SU-2026:23863-1 No score

Security update for govulncheck-vulndb

This update for govulncheck-vulndb fixes the following issues:

Changes for govulncheck-vulndb:

  • Update to version 0.0.20260916T180043 2026-09-16T18:00:43Z (jsc#PED-11136).

Go CVE Numbering Authority IDs added or updated with aliases:

  • GO-2026-6348 CVE-2026-84304 GHSA-vp52-pcj8-j9qc
  • GO-2026-6356 CVE-2026-65959 GHSA-mhc4-g3wh-cw7m
  • GO-2026-6366 CVE-2026-61625 GHSA-8q3c-rjr9-xxrp
  • GO-2026-6372 CVE-2026-79921 GHSA-6c5v-hqjr-5xxp
  • GO-2026-6441 CVE-2026-84303 GHSA-qc2q-p7wx-3px3
  • GO-2026-6443 CVE-2026-84445 GHSA-2v4p-qf9q-27wj
  • GO-2026-6444 CVE-2026-53495 GHSA-7jxh-36q5-gcqv
  • GO-2026-6445 CVE-2025-58363 GHSA-c23q-fw86-9h5x
  • GO-2026-6446 CVE-2025-24978 GHSA-g8rh-fjm6-h2h9
  • GO-2026-6447 CVE-2025-24979 GHSA-pqqc-8v73-9gg2
  • GO-2026-6448 CVE-2026-59185 GHSA-cp3j-m783-3ph5
  • GO-2026-6449 GHSA-hxjg-93wc-h8p8
  • GO-2026-6450 CVE-2026-59172 GHSA-m835-3cm9-rggg
  • GO-2026-6451 CVE-2026-59157 GHSA-v25g-mvwr-f5fp
  • GO-2026-6452 CVE-2026-59162 GHSA-fx5j-qcqg-grpf
  • GO-2026-6453 CVE-2026-59161 GHSA-q5j5-6p94-4gwc
  • GO-2026-6454 CVE-2026-88012 GHSA-7ghq-v6jf-g56c
  • GO-2026-6455 CVE-2026-88011 GHSA-rf44-j88r-hh8c
  • GO-2026-6456 CVE-2026-88045 GHSA-2p48-j3qc-rx9f
  • GO-2026-6457 CVE-2026-88046 GHSA-38xv-hf3p-h7mq
  • GO-2026-6458 CVE-2026-88017 GHSA-c476-6w5q-jw77
  • GO-2026-6459 CVE-2026-88016 GHSA-f8g7-2xjc-7mfh
  • GO-2026-6460 CVE-2026-88044 GHSA-p569-5gjg-9cmj
  • GO-2026-6461 CVE-2026-88015 GHSA-p6m2-r3w9-mpxw
  • GO-2026-6462 CVE-2026-88018 GHSA-xwwr-4h3p-r22c
  • GO-2026-6463 CVE-2026-88013 GHSA-486v-q2wf-fp2r
  • GO-2026-6464 CVE-2026-88014 GHSA-66hp-wgxq-6f5q
  • GO-2026-6465 CVE-2026-88009 GHSA-f52w-8j3h-j724
  • GO-2026-6466 CVE-2026-88007 GHSA-qqjf-53cj-pwvv
  • GO-2026-6467 CVE-2026-88004 GHSA-v67p-phpq-fc8x
  • GO-2026-6468 CVE-2026-88008 GHSA-w4v4-9rw7-5326
  • GO-2026-6469 CVE-2026-56665 GHSA-v77h-2w3m-94hx
  • GO-2026-6470 CVE-2026-56666 GHSA-992q-9gwp-7r79
  • GO-2026-6473 CVE-2026-76081 GHSA-v859-c572-qh5p
  • GO-2026-6474 CVE-2026-56668 GHSA-vrh8-c9cm-wh8v
  • Update to version 0.0.20260910T144842 2026-09-10T14:48:42Z.
  • GO-2026-6302 GHSA-mf7q-r4rv-jv94
  • GO-2026-6343 CVE-2026-25782 GHSA-qm72-8prh-g92x
  • GO-2026-6344 CVE-2026-26292 GHSA-rc56-rj3f-xggf
  • GO-2026-6345 CVE-2026-27779 GHSA-v8f2-2ghq-9whv
  • GO-2026-6346 CVE-2026-27780 GHSA-vhq7-fwwh-7hjf
  • GO-2026-6347 CVE-2026-27660 GHSA-x92v-f5gc-r34v
  • GO-2026-6350 CVE-2026-59832 GHSA-275h-v5h9-vr82
  • GO-2026-6351 CVE-2026-72920 GHSA-2v6v-25fm-p4fg
  • GO-2026-6353 CVE-2026-59834 GHSA-h89q-4j2h-7h88
  • GO-2026-6357 CVE-2026-73667 GHSA-2mw5-23gm-pccq
  • GO-2026-6358 CVE-2026-73841 GHSA-52gf-6rpq-fgmx
  • GO-2026-6359 CVE-2026-67446 GHSA-75mr-qw9x-3r39
  • GO-2026-6360 CVE-2026-73840 GHSA-c5f6-2rm9-2w8g
  • GO-2026-6361 CVE-2026-72921 GHSA-gv5w-hfx8-8cwq
  • GO-2026-6362 CVE-2026-73843 GHSA-qh9r-j7rp-4x2m
  • GO-2026-6363 CVE-2026-67445 GHSA-w878-pj84-3j5v
  • GO-2026-6364 GHSA-99rq-75j6-5j9f
  • GO-2026-6365 GHSA-gw25-m53r-qh88
  • GO-2026-6367 CVE-2026-56743 GHSA-fm8w-2m5w-9j7r
  • GO-2026-6368 CVE-2026-75602 GHSA-h6cj-26g5-67fv
  • GO-2026-6369 CVE-2026-73232 GHSA-jcvh-xf52-2cwm
  • GO-2026-6370 CVE-2026-73292 GHSA-8cj9-r88m-8945
  • GO-2026-6371 CVE-2026-73293 GHSA-cxvf-gvfq-36w2
  • GO-2026-6373 CVE-2026-69086 GHSA-7hm9-v7vf-7g4w
  • GO-2026-6374 CVE-2026-69083 GHSA-fph3-ghq9-vw66
  • GO-2026-6377 CVE-2026-69084 GHSA-vh22-h7hf-www7
  • GO-2026-6379 CVE-2026-68586 GHSA-36v8-mpjm-8j5r
  • GO-2026-6381 CVE-2026-68587 GHSA-69mh-gvh4-8gp7
  • GO-2026-6382 CVE-2026-68584 GHSA-7j72-f6wg-cxw6
  • GO-2026-6384 CVE-2026-68585 GHSA-pm3w-vxp9-ccwc
  • GO-2026-6386 CVE-2026-72809 GHSA-3mp7-4rh5-jrv9
  • GO-2026-6387 CVE-2026-72805 GHSA-67x2-mq63-v9vm
  • GO-2026-6388 CVE-2026-72806 GHSA-6mcf-g667-w3qv
  • GO-2026-6392 CVE-2026-72801 GHSA-8x84-r2ff-h8pq
  • GO-2026-6395 CVE-2026-72800 GHSA-5fhr-f75j-8wr9
  • GO-2026-6398 CVE-2026-72802 GHSA-jv8v-xq2h-657v
  • GO-2026-6400 CVE-2026-72810 GHSA-mw8r-mw84-88v2
  • GO-2026-6402 CVE-2026-72811 GHSA-q2vg-7qgx-x5fc
  • GO-2026-6404 CVE-2026-72803…
Record
SUSE-SU-2026:23863-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
github.com/cilium/cilium
Go
 1.19.0 up to 1.19.5
1.19.5
cilium
Bitnami
 1.19.0 up to 1.19.5
1.19.5
cilium-operator
Bitnami
 1.19.0 up to 1.19.5
1.19.5
hubble-relay
Bitnami
 1.19.0 up to 1.19.5
1.19.5
govulncheck-vulndb
SUSE:Linux Enterprise Server 16.0
From an advisory covering 91 CVEs
 before 0.0.20260916T180043-160000.1.1
0.0.20260916T180043-160000.1.1
govulncheck-vulndb
SUSE:Linux Enterprise Server for SAP applications 16.0
From an advisory covering 91 CVEs
 before 0.0.20260916T180043-160000.1.1
0.0.20260916T180043-160000.1.1
govulncheck-vulndb
openSUSE:Leap 16.0
From an advisory covering 91 CVEs
 before 0.0.20260916T180043-160000.1.1
0.0.20260916T180043-160000.1.1

History

History
RecordedChangedSources
affected, facts
affected, aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-56743 is a medium vulnerability (CVSS 5.4) in Cilium, published July 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. Fixed in github.com/cilium/cilium 1.19.5.

References

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Left out here: the rest of 3 source descriptions. The JSON record has them.

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