TI-2025-01327 Aliases CVE-2025-1540 GHSA-6xr7-mv6q-jx4q

Incorrect Authorization in GitLab

MEDIUM 53CWE-863Published 2025-03-06 · Updated 2025-03-06

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: High
Impact type: Security bypass
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.

Summary

An issue has been discovered in GitLab CE/EE for Self-Managed and Dedicated instances affecting all versions from 17.5 prior to 17.6.5, 17.7 prior to 17.7.4, and 17.8 prior to 17.8.2. It was possible for a user added as an External to read and clone internal projects under certain circumstances."

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00238 14th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed GitLab (GitLab): 17.6.5, 17.7.4, 17.8.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
GitLab	GitLab	17.5 to before 17.6.5; 17.7 to before 17.7.4; 17.8 to before 17.8.2	17.6.5, 17.7.4, 17.8.2	Patch available	CNA

GitLab VendorGitLab Affected 17.5 to before 17.6.5; 17.7 to before 17.7.4; 17.8 to before 17.8.2 Fixed in 17.6.5, 17.7.4, 17.8.2 Patch available CNA

CPE configurations NVD · 6

CPE	Versions	Role	Vendor
cpe:2.3:a:gitlab:gitlab:::::community:::*	17.5.0 to before 17.6.5	Vulnerable	GitLab
cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	17.5.0 to before 17.6.5	Vulnerable	GitLab
cpe:2.3:a:gitlab:gitlab:::::community:::*	17.7.0 to before 17.7.4	Vulnerable	GitLab
cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	17.7.0 to before 17.7.4	Vulnerable	GitLab
cpe:2.3:a:gitlab:gitlab:::::community:::*	17.8.0 to before 17.8.2	Vulnerable	GitLab
cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	17.8.0 to before 17.8.2	Vulnerable	GitLab

cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 17.5.0 to before 17.6.5 Vulnerable ·GitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 17.5.0 to before 17.6.5 Vulnerable ·GitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 17.7.0 to before 17.7.4 Vulnerable ·GitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 17.7.0 to before 17.7.4 Vulnerable ·GitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 17.8.0 to before 17.8.2 Vulnerable ·GitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 17.8.0 to before 17.8.2 Vulnerable ·GitLab

Remediation

Fix · CNA GitLab (GitLab) Fixed in 17.6.5, 17.7.4, 17.8.2

Timeline

2026-10-02 Threatist record created from CVE-2025-1540
2026-10-03 Alias added: GHSA-6xr7-mv6q-jx4q

References

Exploit 1

GitLab Issue #512765

Other 1

https://about.gitlab.com/releases/2025/02/12/patch-release-gitlab-17-8-2-released/#saml-authentication-misconfigures-external-user-attribute

TI-2026-71508 Integer overflow in GitLab allows code execution on the server KEVCVSS 3.1CRITICAL 10.0
TI-2026-58817 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab KEVCVSS 3.1CRITICAL 10.0
TI-2023-06425 Weak Password Recovery Mechanism for Forgotten Password in GitLab KEVCVSS 3.1CRITICAL 10.0
TI-2021-05191 Code injection in GitLab KEVCVSS 3.1CRITICAL 10.0
TI-2021-05161 Server-side request forgery in GitLab KEVCVSS 3.1CRITICAL 9.8
TI-2022-02763 Injection in GitLab CVSS 3.1CRITICAL 9.9

See all 1506 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences