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2864 articles · 109213 vulns · 38/41 feeds (7d)
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4.3
CVE-2026-2104EXPLOITEDPATCHED
gitlab · gitlab

Authorization Bypass Through User-Controlled Key in GitLab

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.

Affected Products

VendorProductVersions
gitlabgitlab18.2, 18.9, 18.10, 18.8.8, 18.9.4, 18.10.2

References

  • https://hackerone.com/reports/3541476(technical-description, exploit, permissions-required)
  • https://gitlab.com/gitlab-org/gitlab/-/work_items/589021
  • https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/

Related News (1 articles)

Tier C
VulDB2h ago
CVE-2026-2104 | GitLab Community Edition/Enterprise Edition up to 18.8.8/18.9.4/18.10.2 authorization
→ No new info (linked only)
CVSS 3.14.3 HIGH
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
18.8.918.9.518.10.3
CWECWE-639
PublishedApr 8, 2026
Last enriched2h agov2
Trending Score47
Source articles1
Independent1
Info Completeness9/14
Missing: epss, kev, exploit, iocs, mitre_attack

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Related CVEs (5)

CRITICALCVE-2026-1516EXP
Improper Control of Generation of Code ('Code Injection') in GitLab
Trending: 50
CRITICALCVE-2026-5173EXP
Exposed Dangerous Method or Function in GitLab
Trending: 50
CRITICALCVE-2025-12664EXP
Improper Validation of Specified Quantity in Input in GitLab
Trending: 49
HIGHCVE-2025-9484
Missing Authorization in GitLab
Trending: 27
HIGHCVE-2026-1101
Improper Validation of Specified Quantity in Input in GitLab
Trending: 27

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Apr 8, 2026
Discovered by ZDM
Apr 8, 2026
Actively Exploited
Apr 8, 2026
Patch Available
Apr 8, 2026
Updated: affectedVersions, severity, activelyExploited
Apr 9, 2026

Version History

v2
Last enriched 2h ago
v2Tier C2h ago

Updated affected versions to include 18.8.8, 18.9.4, and 18.10.2, changed severity to HIGH, and noted that no exploit is available.

affectedVersionsseverityactivelyExploited
via VulDB
v14h ago

Initial creation