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CVE-2026-107363

In OpenStack Zaqar before 23.0.1, the WebSocket transport fails to bind the project identifier in...

6.1 MediumFix available

In OpenStack Zaqar before 23.0.1, the WebSocket transport fails to bind the project identifier in subsequent requests to the project authenticated by the Keystone token. An authenticated user with a valid token for one project may substitute another project's UUID to enumerate, inspect, create, or delete queues belonging to that project, resulting in unauthorized disclosure, modification, or loss of queue data. Only deployments using the WebSocket transport with Keystone authentication are affected.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
High
Availability
High

Exploit likelihood

0.46%Unchanged since Oct 8, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.1

In OpenStack Zaqar before 23.0.1, the WebSocket transport fails to bind the project identifier in subsequent requests to the project authenticated by the Keystone token. An authenticated user with a valid token for one project may substitute another project's UUID to enumerate, inspect, create, or delete queues belonging to that project, resulting in unauthorized disclosure, modification, or loss of queue data. Only deployments using the WebSocket transport with Keystone authentication are affected.

Record
CVE-2026-107363
CVSS 4.0
6.1 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-472
Updated
2026-11-02
EUVDEUVD-2026-94614 6.1

In OpenStack Zaqar before 23.0.1, the WebSocket transport fails to bind the project identifier in subsequent requests to the project authenticated by the Keystone token. An authenticated user with a valid token for one project may substitute another project's UUID to enumerate, inspect, create, or delete queues belonging to that project, resulting in unauthorized disclosure, modification, or loss of queue data. Only deployments using the WebSocket transport with Keystone authentication are affected.

Record
EUVD-2026-94614
CVSS 4.0
6.1 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-hc4w-8h6h-frmg 6.1

In OpenStack Zaqar before 23.0.1, the WebSocket transport fails to bind the project identifier in...

In OpenStack Zaqar before 23.0.1, the WebSocket transport fails to bind the project identifier in subsequent requests to the project authenticated by the Keystone token. An authenticated user with a valid token for one project may substitute another project's UUID to enumerate, inspect, create, or delete queues belonging to that project, resulting in unauthorized disclosure, modification, or loss of queue data. Only deployments using the WebSocket transport with Keystone authentication are affected.

Record
GHSA-hc4w-8h6h-frmg
CVSS 4.0
6.1 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness
CWE-472
Updated
2026-11-02
NVD 6.1

In OpenStack Zaqar before 23.0.1, the WebSocket transport fails to bind the project identifier in subsequent requests to the project authenticated by the Keystone token. An authenticated user with a valid token for one project may substitute another project's UUID to enumerate, inspect, create, or delete queues belonging to that project, resulting in unauthorized disclosure, modification, or loss of queue data. Only deployments using the WebSocket transport with Keystone authentication are affected.

Record
CVE-2026-107363
CVSS 4.0
6.1 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness
CWE-472
Updated
2026-11-02
OSV 6.1

In OpenStack Zaqar before 23.0.1, the WebSocket transport fails to bind the project identifier in subsequent requests to the project authenticated by the Keystone token. An authenticated user with a valid token for one project may substitute another project's UUID to enumerate, inspect, create, or delete queues belonging to that project, resulting in unauthorized disclosure, modification, or loss of queue data. Only deployments using the WebSocket transport with Keystone authentication are affected.

Record
CVE-2026-107363
CVSS 4.0
6.1 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-472
Updated
2026-11-02
OSVDEBIAN-CVE-2026-107363 6.1

In OpenStack Zaqar before 23.0.1, the WebSocket transport fails to bind the project identifier in subsequent requests to the project authenticated by the Keystone token. An authenticated user with a valid token for one project may substitute another project's UUID to enumerate, inspect, create, or delete queues belonging to that project, resulting in unauthorized disclosure, modification, or loss of queue data. Only deployments using the WebSocket transport with Keystone authentication are affected.

Record
DEBIAN-CVE-2026-107363
CVSS 4.0
6.1 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated
2026-11-02
OSVUBUNTU-CVE-2026-107363 6.1

In OpenStack Zaqar before 23.0.1, the WebSocket transport fails to bind the project identifier in subsequent requests to the project authenticated by the Keystone token. An authenticated user with a valid token for one project may substitute another project's UUID to enumerate, inspect, create, or delete queues belonging to that project, resulting in unauthorized disclosure, modification, or loss of queue data. Only deployments using the WebSocket transport with Keystone authentication are affected.

Record
UBUNTU-CVE-2026-107363
CVSS 4.0
6.1 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
zaqar
Debian:12
All versions, plus listed versions
15.0.0-116.0.0-116.0.0-216.0.0-316.0.0~rc1-1
Show 29 moreShow less
17.0.0-117.0.0~rc1-118.0.0-118.0.0~rc1-119.0.0-119.0.0-219.0.0-319.0.0-419.0.0~rc1-119.0.0~rc1-220.0.0-120.0.0-220.0.0~rc1-120.0.0~rc1-221.0.0-121.0.0-221.0.0~rc1-121.0.0~rc1-222.0.0-122.0.0-222.0.0-322.0.0~rc1-122.0.0~rc1-222.0.1-123.0.0-123.0.0-223.0.0~rc1-123.0.0~rc1-223.0.0~rc1-3
None known
zaqar
Debian:13
All versions, plus listed versions
20.0.0-221.0.0-121.0.0-221.0.0~rc1-121.0.0~rc1-2
Show 11 moreShow less
22.0.0-122.0.0-222.0.0-322.0.0~rc1-122.0.0~rc1-222.0.1-123.0.0-123.0.0-223.0.0~rc1-123.0.0~rc1-223.0.0~rc1-3
None known
zaqar
Debian:14
before 23.0.0-2, plus listed versions
20.0.0-221.0.0-121.0.0-221.0.0~rc1-121.0.0~rc1-2
Show 10 moreShow less
22.0.0-122.0.0-222.0.0-322.0.0~rc1-122.0.0~rc1-222.0.1-123.0.0-123.0.0~rc1-123.0.0~rc1-223.0.0~rc1-3
23.0.0-2
zaqar
Ubuntu:16.04:LTS
All versions, plus listed versions
1.0.0-21.0.0-62.0.0-1
None known
zaqar
Ubuntu:18.04:LTS
All versions, plus listed versions
5.0.0-0ubuntu16.0.0~b1-0ubuntu16.0.0~b2-0ubuntu26.0.0~b3-0ubuntu16.0.0~rc1-0ubuntu16.0.0-0ubuntu1
None known
zaqar
Ubuntu:20.04:LTS
All versions, plus listed versions
9.0.0-0ubuntu110.0.0~b1~git2019121815.55c73e22-0ubuntu110.0.0~b2~git2020021011.22c457a5-0ubuntu110.0.0~b3~git2020032614.22c457a5-0ubuntu110.0.0~b3~git2020041014.22c457a5-0ubuntu110.0.0-0ubuntu0.20.04.1
None known
zaqar
Ubuntu:22.04:LTS
All versions, plus listed versions
13.0.0-0ubuntu113.0.0+git2021120910.a7593240-0ubuntu113.0.0+git2022011310.1726ac41-0ubuntu114.0.0-0ubuntu1
None known
zaqar
Ubuntu:24.04:LTS
All versions, plus listed versions
17.0.0-0ubuntu117.0.0+git2024020808.2c859275-0ubuntu118.0.0~rc1-0ubuntu118.0.0-0ubuntu1
None known
zaqar
Ubuntu:26.10
All versions, plus listed versions
22.0.0-0ubuntu122.0.0+git20260723.62.36e0796-0ubuntu123.0.0~rc1-0ubuntu123.0.0-0ubuntu1
None known
zaqar
Ubuntu:26.04:LTS
All versions, plus listed versions
21.0.0-0ubuntu121.0.0+git20260121.32.59a7a63d-0ubuntu122.0.0~rc1-0ubuntu222.0.0-0ubuntu1
None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2026-107363 is a medium vulnerability (CVSS 6.1) in Openstack Zaqar, published October 7, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 39th percentile. Fixed in zaqar 23.0.0-2.

References

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