CVE-2025-7659

HIGH 8.0

Origin Validation Error in GitLab

CVSS Score

8.0

EPSS Score

0.0%

EPSS Percentile

0th

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to steal tokens and access private repositories by abusing incomplete validation in the Web IDE.

CWE	CWE-346
Vendor	gitlab
Product	gitlab
Ecosystems	DevTools
Industries	Technology
Published	Feb 11, 2026
Last Updated	Feb 26, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

GitLab / GitLab

18.2 < 18.6.6 18.7 < 18.7.4 18.8 < 18.8.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/issues/555440 hackerone.com: https://hackerone.com/reports/3234976 about.gitlab.com: https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/

Credits

Thanks [cav0ur](https://hackerone.com/cav0ur) for reporting this vulnerability through our HackerOne bug bounty program