CVE-2026-110264: GitLab · Integer Overflow or Wraparound
Affects GitLabSource CVE Database V5
Not known to be exploited · CVSS 10.0 Critical · fixed in 19.5.1 : patch GitLab as a priority.
Data as of 26 Oct 2026, 14:18 UTC
- EPSS
- 1.0% chance of exploitation in 30 days – higher than 62% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers can reliably automate steps 1–4 of the kill chain
- Technical impact
- Total control over the software or total information disclosure
CISA SSVC assessment, 2026-10-21.
- Patch
- Available – fixed in 19.5.1, 19.4.3, 19.3.6 +4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 22 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| GitLabGitLab | Affected
| Fixed in
|
| GitLabGitLab | Affected
| Fixed in
|
| GitLabGitLab | Affected
| Fixed in
|
| GitLabGitLab | Affected
| Fixed in
|
| GitLabGitLab | Affected
| Fixed in
|
| GitLabGitLab | Affected
| Fixed in
|
CPE configurations (1)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
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.