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CVE-2023-4378

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CVE-2023-4378

Published: Sep 1, 2023

Modified: Apr 24, 2026

PUBLISHED

CVSS v3.1

5.5

MEDIUM

Description

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.

VendorProductVersions

GitLab

GitLab

affected
11.8 - < 16.1.5
affected
16.2 - < 16.2.5
affected
16.3 - < 16.3.1

Weaknesses (CWE)

CWE-201

CVSS v3.1 Details

CVSS v3.1 Vector

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

References

GitLab Issue #422134
issue-tracking
permissions-required
HackerOne Bug Bounty Report #2104591
technical-description
exploit

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