🔐 CVE Alert

CVE-2026-0602

MEDIUM 4.3

Authentication Bypass Using an Alternate Path or Channel in GitLab

CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user to disclose metadata from private issues, merge requests, epics, milestones, or commits due to improper filtering in the snippet rendering process under certain circumstances.

CWE CWE-288
Vendor gitlab
Product gitlab
Ecosystems
Industries
Technology
Published Mar 11, 2026
Last Updated Mar 11, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Affected Versions

GitLab / GitLab
15.6 < 18.7.6 18.8 < 18.8.6 18.9 < 18.9.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗
hackerone.com: https://hackerone.com/reports/3486504 gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/585007 about.gitlab.com: https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/

Credits

Thanks [go7f0](https://hackerone.com/go7f0) for reporting this vulnerability through our HackerOne bug bounty program