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TI-2026-15008 Aliases CVE-2026-18252GHSA-gjcp-3p8v-jvrw

Inclusion of Functionality from Untrusted Control Sphere in GitLab

Priority LOW 38CWE-829Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-829.

Summary

GitLab has remediated an issue in GitLab EE affecting all versions from 18.9 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with developer-role permissions could have executed arbitrary commands in a CI context, due to the Claude agent processing configuration from a user-controlled source.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00519 44th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed GitLab (GitLab): 19.1.7, 19.2.5, 19.3.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GitLabGitLab18.9 to before 19.1.7; 19.2 to before 19.2.5; 19.3 to before 19.3.119.1.7, 19.2.5, 19.3.1Patch availableCNA
  • GitLab VendorGitLab Affected 18.9 to before 19.1.7; 19.2 to before 19.2.5; 19.3 to before 19.3.1 Fixed in 19.1.7, 19.2.5, 19.3.1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*18.9.0 to before 19.1.7; 19.2.0 to before 19.2.5VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:19.3.0:*:*:*:enterprise:*:*:*19.3.0VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 18.9.0 to before 19.1.7; 19.2.0 to before 19.2.5 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:19.3.0:*:*:*:enterprise:*:*:* Versions 19.3.0 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 19.1.7, 19.2.5, 19.3.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    GitLab 19.1.7, 19.2.5, 19.3.1

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2026-54187 Allocation of Resources Without Limits or Throttling in GitLabPriority LOW 29
    • TI-2025-09984 Loop with Unreachable Exit Condition ('Infinite Loop') in GitLabPriority LOW 29
    • TI-2026-02620 Authentication Bypass Using an Alternate Path or Channel in GitLabPriority LOW 25
    Show all 6 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-18252
  2. 2026-10-03 Alias added: GHSA-gjcp-3p8v-jvrw

References

Exploit 1

Advisory 1

Other 1

  • TI-2026-71508 Integer overflow in GitLab allows code execution on the server KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-58817 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2023-06425 Weak Password Recovery Mechanism for Forgotten Password in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-05191 Code injection in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-05161 Server-side request forgery in GitLab KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-02763 Injection in GitLab CVSS 3.1CRITICAL 9.9
See all 1506 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences