CVE-2023-4378
Insertion of Sensitive Information Into Sent Data in GitLab
CVSS Score
5.5
EPSS Score
0.1%
EPSS Percentile
30th
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.
| CWE | CWE-201 |
| Vendor | gitlab |
| Product | gitlab |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 1, 2023 |
| Last Updated | Apr 24, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
GitLab / GitLab
11.8 < 16.1.5 16.2 < 16.2.5 16.3 < 16.3.1
References
Credits
Thanks [70rpedo](https://hackerone.com/70rpedo) for reporting this vulnerability through our HackerOne bug bounty program