CVE-2026-2104 — Authorization Bypass Through User-Controlled Key in Gitlab

CWE-639 — Authorization Bypass Through User-Controlled Key15 documents5 sources
Severity
4.3MEDIUMNVD
EPSS
0.0%
top 97.29%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
GitlabDebian GitlabGitlab CE
Timeline
PublishedApr 8
Latest updateApr 9

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to access confidential issues assigned to other users via CSV export due to insufficient authorization checks.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages4 packages

▶CVEListV5gitlab/gitlab18.2 — 18.8.9+2
▶debiandebian/gitlab
▶gitlabgitlab/gitlab

🔴Vulnerability Details

1
GHSA
GHSA-4759-m874-gwp3: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18↗2026-04-09
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📋Vendor Advisories

2
GitLab
CVE-2026-2104: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could↗2026-04-08
▶
Debian
CVE-2026-2104: gitlab - GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 ...↗2026
▶

🕵️Threat Intelligence

11
Wiz
CVE-2025-12664 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2026-1516 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2026-2619 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2025-9484 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2026-1752 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-2104 — Gitlab vulnerability | cvebase