CVE-2023-4378 MEDIUM

CVE-2023-4378: Insertion of Sensitive Information Into Sent Data in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-201
Published September 1, 2023
Last update April 24, 2026

CVSS base score

5.5/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.8 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. A malicious Maintainer can, under specific circumstances, leak the sentry token by changing the configured URL in the Sentry error tracking settings page. This was as a result of an incomplete fix for CVE-2022-4365.

Key dates

02Disclosure timeline

September 1, 2023 CVE published
April 24, 2026 Record updated

Related vulnerabilities

04Related CVE