OpenStack Zaqar up to 20.1.2/21.0.2/22.0.2/23.0.0 WebSocket Transport improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.50+

Summaryinfo

A vulnerability categorized as critical has been discovered in OpenStack Zaqar up to 20.1.2/21.0.2/22.0.2/23.0.0. Affected is an unknown function of the component WebSocket Transport. Executing a manipulation can lead to improper authorization. This vulnerability is registered as CVE-2026-107363. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenStack Zaqar up to 20.1.2/21.0.2/22.0.2/23.0.0. It has been declared as critical. This vulnerability affects an unknown functionality of the component WebSocket Transport. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at launchpad.net. This vulnerability was named CVE-2026-107363 since 10/07/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

Upgrading to version 20.1.3, 21.0.3, 22.0.3 or 23.0.1 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Zaqar 20.1.3/21.0.3/22.0.3/23.0.1

Timelineinfo

10/07/2026 Advisory disclosed
10/07/2026 +0 days CVE reserved
10/07/2026 +0 days VulDB entry created
10/07/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: openstack.org

Advisory: launchpad.net
Status: Confirmed

CVE: CVE-2026-107363 (🔒)
GCVE (CVE): GCVE-0-2026-107363
GCVE (VulDB): GCVE-100-415150

Entryinfo

Created: 10/07/2026 22:34
Changes: 10/07/2026 22:34 (67)
Complete: 🔍
Cache ID: 216::103

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