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TI-2026-03334 Aliases CVE-2026-3848GHSA-j592-x6jp-9fg8

Improper Neutralization of CRLF Sequences ('CRLF Injection') in GitLab

Priority LOW 22CWE-93Published · Updated

Key facts

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

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

Summary

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.11 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user to make unintended internal requests through proxy environments under certain conditions due to improper input validation in import functionality.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00218 12th percentileScored 2026-11-07
Fix Fixed GitLab (GitLab): 18.7.6, 18.8.6, 18.9.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
GitLabGitLab8.11 to before 18.7.6; 18.8 to before 18.8.6; 18.9 to before 18.9.218.7.6, 18.8.6, 18.9.2Patch availableCNA
  • GitLab VendorGitLab Affected 8.11 to before 18.7.6; 18.8 to before 18.8.6; 18.9 to before 18.9.2 Fixed in 18.7.6, 18.8.6, 18.9.2 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*8.11.0 to before 18.7.6VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*8.11.0 to before 18.7.6VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*18.8.0 to before 18.8.6VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*18.8.0 to before 18.8.6VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*18.9.0 to before 18.9.2VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*18.9.0 to before 18.9.2VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 8.11.0 to before 18.7.6 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 8.11.0 to before 18.7.6 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 18.8.0 to before 18.8.6 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 18.8.0 to before 18.8.6 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 18.9.0 to before 18.9.2 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 18.9.0 to before 18.9.2 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 18.7.6, 18.8.6, 18.9.2

Fixed in the same release

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

  • Release ·

    GitLab 18.7.6, 18.8.6, 18.9.2

    13 records Highest priority Priority HIGH 1 HIGH, 3 MEDIUM, 9 LOW

    Other records, highest priority first

    • TI-2025-13256 Improper Validation of Specified Quantity in Input in GitLabPriority HIGH 72
    • TI-2026-00951 Use of Incorrectly-Resolved Name or Reference in GitLabPriority MEDIUM 62
    • TI-2026-00403 Authentication Bypass Using an Alternate Path or Channel in GitLabPriority MEDIUM 53
    Show all 13 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3848
  2. 2026-10-03 Alias added: GHSA-j592-x6jp-9fg8

References

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