CVE-2023-1965 - CVE House
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Status published Medium CVE-2023-1965

An issue has been discovered in GitLab EE affecting all...

Vulnerability Description

An issue has been discovered in GitLab EE affecting all versions starting from 14.2 before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. Lack of verification on RelayState parameter allowed a maliciously crafted URL to obtain access tokens granted for 3rd party Group SAML SSO logins. This feature isn't enabled by default.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

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

References

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Affected Vendor

Affected Software

GitLab
Vulnerable Versions:
>=14.2, <15.9.6, >=15.10, <15.10.5, >=15.11, <15.11.1

Timeline

Official Publish: May 3rd, 2023
Last Modified: January 29th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.