CVE-2023-1965

6.5 mediumEPSS 0.4%

Medium (6.5) in gitlab gitlab. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-31)
CWE: CWE-352
Published: 2023-05-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

gitlab:gitlab

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-1965.json
https://gitlab.com/gitlab-org/gitlab/-/issues/406235
https://hackerone.com/reports/1923672
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-1965.json
https://gitlab.com/gitlab-org/gitlab/-/issues/406235

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