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TI-2026-00822 Aliases CVE-2026-1092GHSA-rp75-jg2c-frm4

Improper Validation of Specified Quantity in Input in GitLab

Priority HIGH 72CWE-1284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
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 12.10 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an unauthenticated user to cause denial of service due to improper input validation of JSON payloads.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00562 46th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed GitLab (GitLab): 18.8.9, 18.9.5, 18.10.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
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
GitLabGitLab12.10 to before 18.8.9; 18.9 to before 18.9.5; 18.10 to before 18.10.318.8.9, 18.9.5, 18.10.3Patch availableCNA
  • GitLab VendorGitLab Affected 12.10 to before 18.8.9; 18.9 to before 18.9.5; 18.10 to before 18.10.3 Fixed in 18.8.9, 18.9.5, 18.10.3 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*12.10.0 to before 18.8.9; 18.9.0 to before 18.9.5; 18.10.0 to before 18.10.3VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*12.10.0 to before 18.8.9; 18.9.0 to before 18.9.5; 18.10.0 to before 18.10.3VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 12.10.0 to before 18.8.9; 18.9.0 to before 18.9.5; 18.10.0 to before 18.10.3 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 12.10.0 to before 18.8.9; 18.9.0 to before 18.9.5; 18.10.0 to before 18.10.3 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 18.8.9, 18.9.5, 18.10.3

Fixed in the same release

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

  • Release ·

    GitLab 18.10.3, 18.8.9, 18.9.5

    11 records Highest priority Priority HIGH 1 HIGH, 2 MEDIUM, 8 LOW

    Other records, highest priority first

    • TI-2026-01435 Incorrect Authorization in GitLabPriority MEDIUM 53
    • TI-2025-11616 Improper Validation of Specified Quantity in Input in GitLabPriority MEDIUM 40
    • TI-2026-04516 Exposed Dangerous Method or Function in GitLabPriority LOW 37

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-1092
  2. 2026-10-03 Alias added: GHSA-rp75-jg2c-frm4

References

  • 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