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TI-2025-07691 Aliases CVE-2025-8405GHSA-fjj2-x466-w3hx

Improper Encoding or Escaping of Output in GitLab

Priority LOW 36CWE-116Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

GitLab has remediated a security issue in GitLab CE/EE affecting all versions from 17.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to perform unauthorized actions on behalf of other users by injecting malicious HTML into vulnerability code flow displays.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00515 44th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed GitLab (GitLab): 18.4.6, 18.5.4, 18.6.2

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
GitLabGitLab17.1 to before 18.4.6; 18.5 to before 18.5.4; 18.6 to before 18.6.218.4.6, 18.5.4, 18.6.2Patch availableCNA
  • GitLab VendorGitLab Affected 17.1 to before 18.4.6; 18.5 to before 18.5.4; 18.6 to before 18.6.2 Fixed in 18.4.6, 18.5.4, 18.6.2 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*17.1.0 to before 18.4.6VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*17.1.0 to before 18.4.6VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*18.5.0 to before 18.5.4VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*18.5.0 to before 18.5.4VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*18.6.0 to before 18.6.2VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*18.6.0 to before 18.6.2VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 17.1.0 to before 18.4.6 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 17.1.0 to before 18.4.6 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 18.5.0 to before 18.5.4 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 18.5.0 to before 18.5.4 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 18.6.0 to before 18.6.2 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 18.6.0 to before 18.6.2 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 18.4.6, 18.5.4, 18.6.2

Fixed in the same release

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

  • Release ·

    GitLab 18.4.6, 18.5.4, 18.6.2

    10 records Highest priority Priority MEDIUM 2 MEDIUM, 8 LOW

    Other records, highest priority first

    • TI-2025-11658 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLabPriority MEDIUM 40
    • TI-2025-11523 Allocation of Resources Without Limits or Throttling in GitLabPriority MEDIUM 40
    • TI-2025-11028 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLabPriority LOW 37
    Show all 10 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-8405
  2. 2026-10-03 Alias added: GHSA-fjj2-x466-w3hx

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