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Vulnerable Software

Vulnerability Details CVE-2026-3988

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to cause a denial of service by making the GitLab instance unresponsive due to improper input validation in GraphQL request processing.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 11.3%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-3988
  • Gitlab » Gitlab » Version: 18.10.0
    cpe:2.3:a:gitlab:gitlab:18.10.0
  • 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: 18.5.3
    cpe:2.3:a:gitlab:gitlab:18.5.3
  • Gitlab » Gitlab » Version: 18.5.4
    cpe:2.3:a:gitlab:gitlab:18.5.4
  • Gitlab » Gitlab » Version: 18.5.5
    cpe:2.3:a:gitlab:gitlab:18.5.5
  • Gitlab » Gitlab » Version: 18.6.0
    cpe:2.3:a:gitlab:gitlab:18.6.0
  • Gitlab » Gitlab » Version: 18.6.1
    cpe:2.3:a:gitlab:gitlab:18.6.1
  • Gitlab » Gitlab » Version: 18.6.2
    cpe:2.3:a:gitlab:gitlab:18.6.2
  • Gitlab » Gitlab » Version: 18.6.3
    cpe:2.3:a:gitlab:gitlab:18.6.3
  • Gitlab » Gitlab » Version: 18.6.4
    cpe:2.3:a:gitlab:gitlab:18.6.4
  • Gitlab » Gitlab » Version: 18.6.5
    cpe:2.3:a:gitlab:gitlab:18.6.5
  • Gitlab » Gitlab » Version: 18.6.6
    cpe:2.3:a:gitlab:gitlab:18.6.6
  • Gitlab » Gitlab » Version: 18.7.0
    cpe:2.3:a:gitlab:gitlab:18.7.0
  • Gitlab » Gitlab » Version: 18.7.1
    cpe:2.3:a:gitlab:gitlab:18.7.1
  • Gitlab » Gitlab » Version: 18.7.2
    cpe:2.3:a:gitlab:gitlab:18.7.2
  • Gitlab » Gitlab » Version: 18.7.3
    cpe:2.3:a:gitlab:gitlab:18.7.3
  • Gitlab » Gitlab » Version: 18.7.4
    cpe:2.3:a:gitlab:gitlab:18.7.4
  • Gitlab » Gitlab » Version: 18.7.5
    cpe:2.3:a:gitlab:gitlab:18.7.5
  • Gitlab » Gitlab » Version: 18.7.6
    cpe:2.3:a:gitlab:gitlab:18.7.6
  • Gitlab » Gitlab » Version: 18.8.0
    cpe:2.3:a:gitlab:gitlab:18.8.0
  • Gitlab » Gitlab » Version: 18.8.1
    cpe:2.3:a:gitlab:gitlab:18.8.1
  • Gitlab » Gitlab » Version: 18.8.2
    cpe:2.3:a:gitlab:gitlab:18.8.2
  • Gitlab » Gitlab » Version: 18.8.3
    cpe:2.3:a:gitlab:gitlab:18.8.3
  • Gitlab » Gitlab » Version: 18.8.4
    cpe:2.3:a:gitlab:gitlab:18.8.4
  • Gitlab » Gitlab » Version: 18.8.5
    cpe:2.3:a:gitlab:gitlab:18.8.5
  • Gitlab » Gitlab » Version: 18.8.6
    cpe:2.3:a:gitlab:gitlab:18.8.6
  • Gitlab » Gitlab » Version: 18.9.0
    cpe:2.3:a:gitlab:gitlab:18.9.0
  • Gitlab » Gitlab » Version: 18.9.2
    cpe:2.3:a:gitlab:gitlab:18.9.2


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