GitLab has remediated an issue in GitLab EE affecting all versions from 19.2 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when an instance administrator locked a group's Duo availability, an authenticated user with group Owner permissions could have re-enabled AI-backed data egress to a third-party service for that group and its descendant projects, due to insufficient granularity of the admin-lock enforcement controls.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
GitLab GitLab unaffected
Version Status Constraints
19.2 affected < 19.3.6
19.4 affected < 19.4.3
19.5 affected < 19.5.1

No data.

No data.

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No data.

Project Subscriptions

Vendors Products
Gitlab Subscribe
Gitlab Subscribe
Advisories

No advisories yet.

Fixes

Solution

Upgrade to versions 19.3.6, 19.4.3, 19.5.1 or above.

Workaround

No workaround given by the vendor.

References
Link Providers
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/ cve-icon cve-icon
https://gitlab.com/gitlab-org/gitlab/-/work_items/631564 cve-icon cve-icon
https://hackerone.com/reports/3871692 cve-icon cve-icon
History

Wed, 21 Oct 2026 23:45:00 +0000

Type Values Removed Values Added
Description GitLab has remediated an issue in GitLab EE affecting all versions from 19.2 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when an instance administrator locked a group's Duo availability, an authenticated user with group Owner permissions could have re-enabled AI-backed data egress to a third-party service for that group and its descendant projects, due to insufficient granularity of the admin-lock enforcement controls.
Title Incorrect Authorization in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-863
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 2.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-10-21T23:34:45.429Z

Reserved: 2026-09-30T18:06:12.376Z

Link: CVE-2026-103515

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-22T01:16:57.197

Modified: 2026-10-22T01:16:57.197

Link: CVE-2026-103515

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T01:15:14Z

Weaknesses