Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2025-12653

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that under specific conditions could have allowed an unauthenticated user to join arbitrary organizations by changing headers on some requests.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 9.1%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2025-12653
  • Gitlab » Gitlab » Version: 18.3.0
    cpe:2.3:a:gitlab:gitlab:18.3.0
  • Gitlab » Gitlab » Version: 18.3.2
    cpe:2.3:a:gitlab:gitlab:18.3.2
  • Gitlab » Gitlab » Version: 18.3.3
    cpe:2.3:a:gitlab:gitlab:18.3.3
  • Gitlab » Gitlab » Version: 18.3.4
    cpe:2.3:a:gitlab:gitlab:18.3.4
  • Gitlab » Gitlab » Version: 18.3.5
    cpe:2.3:a:gitlab:gitlab:18.3.5
  • Gitlab » Gitlab » Version: 18.3.6
    cpe:2.3:a:gitlab:gitlab:18.3.6
  • Gitlab » Gitlab » Version: 18.4.0
    cpe:2.3:a:gitlab:gitlab:18.4.0
  • Gitlab » Gitlab » Version: 18.4.1
    cpe:2.3:a:gitlab:gitlab:18.4.1
  • Gitlab » Gitlab » Version: 18.4.2
    cpe:2.3:a:gitlab:gitlab:18.4.2
  • Gitlab » Gitlab » Version: 18.4.3
    cpe:2.3:a:gitlab:gitlab:18.4.3
  • Gitlab » Gitlab » Version: 18.4.4
    cpe:2.3:a:gitlab:gitlab:18.4.4
  • Gitlab » Gitlab » Version: 18.5.0
    cpe:2.3:a:gitlab:gitlab:18.5.0
  • Gitlab » Gitlab » Version: 18.5.1
    cpe:2.3:a:gitlab:gitlab:18.5.1
  • Gitlab » Gitlab » Version: 18.5.2
    cpe:2.3:a:gitlab:gitlab:18.5.2
  • Gitlab » Gitlab » Version: 18.6.0
    cpe:2.3:a:gitlab:gitlab:18.6.0


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