Vulnerability details

CVE-2026-110264

GitLab GitLab

Integer Overflow or Wraparound in GitLab

CVSS 3.1
10.0Critical

Official description

An issue has been discovered in GitLab CE/EE affecting all versions from 7.0 before 18.11.13, 19.0 before 19.0.10, 19.1 before 19.1.9, 19.2 before 19.2.9, 19.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, could have allowed an unauthenticated user to execute arbitrary code on the GitLab server due to integer overflow when compiling a specially crafted regular expression.

CVSS scores

ScoreVersionSourceVector
10.0Critical 3.1 CVEProject cvelistV5 (CNA) (GitLab) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
GitLab GitLab 19.0 ≤ v < 19.0.10 CVEProject cvelistV5 (CNA)
GitLab GitLab 19.1 ≤ v < 19.1.9 CVEProject cvelistV5 (CNA)
GitLab GitLab 19.2 ≤ v < 19.2.9 CVEProject cvelistV5 (CNA)
GitLab GitLab 19.3 ≤ v < 19.3.6 CVEProject cvelistV5 (CNA)
GitLab GitLab 19.4 ≤ v < 19.4.3 CVEProject cvelistV5 (CNA)
GitLab GitLab 19.5 ≤ v < 19.5.1 CVEProject cvelistV5 (CNA)
GitLab GitLab 7.0 ≤ v < 18.11.13 CVEProject cvelistV5 (CNA)

References and advisories

4
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Details

Published
2026-10-22
Last updated
2026-10-31
State
Published
Assigner (CNA)
GitLab

Exploit prediction (EPSS)

1.34%
Probability of exploitation in 30 days
71.6%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-190
    Integer Overflow or Wraparound