CVE-2025-2242: gitlab Auth Bypass (CVSS 7.5)

Description

An improper access control vulnerability in GitLab CE/EE affecting all versions from 17.4 prior to 17.8.6, 17.9 prior to 17.9.3, and 17.10 prior to 17.10.1 allows a user who was an instance admin before but has since been downgraded to a regular user to continue to maintain elevated privileges to groups and projects.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-863 Incorrect Authorization

Affected Products

Vendor	Product	Versions
gitlab	gitlab	17.4.0 — 17.8.6
gitlab	gitlab	17.4.0 — 17.8.6
gitlab	gitlab	17.9.0 — 17.9.3
gitlab	gitlab	17.9.0 — 17.9.3
gitlab	gitlab	All
gitlab	gitlab	All

References

Other References

https://gitlab.com/gitlab-org/gitlab/-/issues/516271

Frequently Asked Questions

What is CVE-2025-2242? +

An improper access control vulnerability in GitLab CE/EE affecting all versions from 17.4 prior to 17.8.6, 17.9 prior to 17.9.3, and 17.10 prior to 17.10.1 allows a user who was an instance admin before but has since been downgraded to a regular user to continue to maintain elevated privileges to groups and projects. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-2242? +

CVE-2025-2242 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-2242? +

CVE-2025-2242 affects products from gitlab, specifically: gitlab. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-2242? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-2242