CVE-2023-1965

MEDIUM

6.5

CVSS Score

Published: May 3, 2023 at 12:00 AM UTC

Updated: June 17, 2026 at 05:29 AM UTC

1 product affected across 1 vendorGitLab

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Severity

MEDIUM6.5

Exploit prediction

EPSS 0.4%

SSVC

PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GitLab · GitLabmaven

95%

v < 15.10.5v < 15.11.1v < 15.9.614.2 ≤ v < 15.9.615.10 ≤ v < 15.10.515.11 ≤ v < 15.11.1

Affected range stops below 15.10.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.11.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.9.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Third Party Advisory

Source: [email protected]

https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-1965.json

Broken Link

Source: [email protected]

https://gitlab.com/gitlab-org/gitlab/-/issues/406235

Permissions Required

Source: [email protected]

https://hackerone.com/reports/1923672

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-352

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