CVE-2024-28248
Cilium intermittent HTTP policy bypass
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.13.9 and prior to versions 1.13.13, 1.14.8, and 1.15.2, Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped. This issue has been patched in Cilium 1.15.2, 1.14.8, and 1.13.13. There are no known workarounds for this issue.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Cilium intermittent HTTP policy bypass
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.13.9 and prior to versions 1.13.13, 1.14.8, and 1.15.2, Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped. This issue has been patched in Cilium 1.15.2, 1.14.8, and 1.13.13. There are no known workarounds for this issue.
- Record
CVE-2024-28248- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-693
- Updated
- 2026-11-02
EUVDEUVD-2024-0842
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.13.9 and prior to versions 1.13.13, 1.14.8, and 1.15.2, Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped. This issue has been patched in Cilium 1.15.2, 1.14.8, and 1.13.13. There are no known workarounds for this issue.
- Record
EUVD-2024-0842- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-68mj-9pjq-mc85
Intermittent HTTP policy bypass
Impact
Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped.
Patches
This issue affects:
- Cilium v1.13 between v1.13.9 and v1.13.12 inclusive
- Cilium v1.14 between v1.14.0 and v1.14.7 inclusive
- Cilium v1.15.0 and v1.15.1
This issue has been patched in:
- Cilium v1.15.2
- Cilium v1.14.8
- Cilium v1.13.13
Workarounds
There is no workaround for this issue – affected users are strongly encouraged to upgrade.
Acknowledgements
The Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @romikps for discovering and reporting this issue, and @sayboras and @jrajahalme for preparing the fix.
For more information
If you have any questions or comments about this advisory, please reach out on Slack.
If you think you have found a vulnerability affecting Cilium, we strongly encourage you to report it to our security mailing list at [email protected]. This is a private mailing list for the Cilium internal security team, and your report will be treated as top priority.
- Record
GHSA-68mj-9pjq-mc85- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-693
- Updated
- 2026-11-02
NVD
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.13.9 and prior to versions 1.13.13, 1.14.8, and 1.15.2, Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped. This issue has been patched in Cilium 1.15.2, 1.14.8, and 1.13.13. There are no known workarounds for this issue.
- Record
CVE-2024-28248- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-693
- Updated
- 2026-11-02
OSV
Cilium intermittent HTTP policy bypass
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.13.9 and prior to versions 1.13.13, 1.14.8, and 1.15.2, Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped. This issue has been patched in Cilium 1.15.2, 1.14.8, and 1.13.13. There are no known workarounds for this issue.
- Record
CVE-2024-28248- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-693
- Updated
- 2026-11-02
OSVGHSA-68mj-9pjq-mc85
Intermittent HTTP policy bypass
Impact
Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped.
Patches
This issue affects:
- Cilium v1.13 between v1.13.9 and v1.13.12 inclusive
- Cilium v1.14 between v1.14.0 and v1.14.7 inclusive
- Cilium v1.15.0 and v1.15.1
This issue has been patched in:
- Cilium v1.15.2
- Cilium v1.14.8
- Cilium v1.13.13
Workarounds
There is no workaround for this issue – affected users are strongly encouraged to upgrade.
Acknowledgements
The Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @romikps for discovering and reporting this issue, and @sayboras and @jrajahalme for preparing the fix.
For more information
If you have any questions or comments about this advisory, please reach out on Slack.
If you think you have found a vulnerability affecting Cilium, we strongly encourage you to report it to our security mailing list at [email protected]. This is a private mailing list for the Cilium internal security team, and your report will be treated as top priority.
- Record
GHSA-68mj-9pjq-mc85- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-693
- Updated
- 2026-11-02
Show 8 moreShow less
OSVBIT-cilium-2024-28248 No score
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.13.9 and prior to versions 1.13.13, 1.14.8, and 1.15.2, Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped. This issue has been patched in Cilium 1.15.2, 1.14.8, and 1.13.13. There are no known workarounds for this issue.
- Record
BIT-cilium-2024-28248- Updated
- 2026-11-02
OSVBIT-cilium-operator-2024-28248 No score
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.13.9 and prior to versions 1.13.13, 1.14.8, and 1.15.2, Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped. This issue has been patched in Cilium 1.15.2, 1.14.8, and 1.13.13. There are no known workarounds for this issue.
- Record
BIT-cilium-operator-2024-28248- Updated
- 2026-11-02
OSVBIT-cilium-proxy-2024-28248 No score
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.13.9 and prior to versions 1.13.13, 1.14.8, and 1.15.2, Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped. This issue has been patched in Cilium 1.15.2, 1.14.8, and 1.13.13. There are no known workarounds for this issue.
- Record
BIT-cilium-proxy-2024-28248- Updated
- 2026-11-02
OSVBIT-hubble-2024-28248 No score
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.13.9 and prior to versions 1.13.13, 1.14.8, and 1.15.2, Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped. This issue has been patched in Cilium 1.15.2, 1.14.8, and 1.13.13. There are no known workarounds for this issue.
- Record
BIT-hubble-2024-28248- Updated
- 2026-11-02
OSVBIT-hubble-relay-2024-28248 No score
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.13.9 and prior to versions 1.13.13, 1.14.8, and 1.15.2, Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped. This issue has been patched in Cilium 1.15.2, 1.14.8, and 1.13.13. There are no known workarounds for this issue.
- Record
BIT-hubble-relay-2024-28248- Updated
- 2026-11-02
OSVBIT-hubble-ui-2024-28248 No score
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.13.9 and prior to versions 1.13.13, 1.14.8, and 1.15.2, Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped. This issue has been patched in Cilium 1.15.2, 1.14.8, and 1.13.13. There are no known workarounds for this issue.
- Record
BIT-hubble-ui-2024-28248- Updated
- 2026-11-02
OSVBIT-hubble-ui-backend-2024-28248 No score
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.13.9 and prior to versions 1.13.13, 1.14.8, and 1.15.2, Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped. This issue has been patched in Cilium 1.15.2, 1.14.8, and 1.13.13. There are no known workarounds for this issue.
- Record
BIT-hubble-ui-backend-2024-28248- Updated
- 2026-11-02
OSVGO-2024-2653 No score
HTTP policy bypass in github.com/cilium/cilium
Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped.
- Record
GO-2024-2653- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/cilium/ciliumGo |
1.13.9 up to 1.13.13 | 1.13.13 |
github.com/cilium/ciliumGo |
1.14.0 up to 1.14.8 | 1.14.8 |
github.com/cilium/ciliumGo |
1.15.0 up to 1.15.2 | 1.15.2 |
ciliumBitnami |
1.13.9 up to 1.13.13, 1.14.0 up to 1.14.8, 1.15.0 up to 1.15.2 | 1.13.131.14.81.15.2 |
cilium-operatorBitnami |
1.13.9 up to 1.13.13, 1.14.0 up to 1.14.8, 1.15.0 up to 1.15.2 | 1.13.131.14.81.15.2 |
cilium-proxyBitnami |
1.13.9 up to 1.13.13, 1.14.0 up to 1.14.8, 1.15.0 up to 1.15.2 | 1.13.131.14.81.15.2 |
hubbleBitnami |
1.13.9 up to 1.13.13, 1.14.0 up to 1.14.8, 1.15.0 up to 1.15.2 | 1.13.131.14.81.15.2 |
hubble-relayBitnami |
1.13.9 up to 1.13.13, 1.14.0 up to 1.14.8, 1.15.0 up to 1.15.2 | 1.13.131.14.81.15.2 |
hubble-uiBitnami |
1.13.9 up to 1.13.13, 1.14.0 up to 1.14.8, 1.15.0 up to 1.15.2 | 1.13.131.14.81.15.2 |
hubble-ui-backendBitnami |
1.13.9 up to 1.13.13, 1.14.0 up to 1.14.8, 1.15.0 up to 1.15.2 | 1.13.131.14.81.15.2 |
github.com/cilium/ciliumGo |
1.13.9 up to 1.13.13, 1.14.0 up to 1.14.8, 1.15.0 up to 1.15.2 | 1.13.131.14.81.15.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-28248 is a high vulnerability (CVSS 7.2) in Cilium, published March 18, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 49th percentile. Fixed in github.com/cilium/cilium 1.13.13.
References
github.com/cilium/cilium/security/advisories/GHSA-68mj-9pjq-mc85
docs.cilium.io/en/stable/security/policy/language
nvd.nist.gov/vuln/detail/CVE-2024-28248