Vulnerability · Published Feb 11, 2026 · Assigned by GitLab
CVE-2026-1094Improper Validation of Unsafe Equivalence in Input in GitLab
Medium 4.6
In plain English
A medium-severity security flaw in GitLab from GitLab. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Severity (CVSS 3.1)4.6Medium
Exploit odds (30 days)0.2%top 90.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.8 before 18.8.4 that could have allowed an authenticated developer to hide specially crafted file changes from the WebUI.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:24.04:LTS | gitlab-agent | no fix listed | UBUNTU-CVE-2026-1094 |
| Ubuntu:25.10 | gitlab-agent | no fix listed | UBUNTU-CVE-2026-1094 |
| Ubuntu:26.04:LTS | gitlab-agent | no fix listed | UBUNTU-CVE-2026-1094 |
| Ubuntu:26.10 | gitlab-agent | no fix listed | UBUNTU-CVE-2026-1094 |
Affected products (as reported)
Weakness: CWE-1289 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
References
- GitLab Issue #586483 issue-tracking, permissions-required
- HackerOne Bug Bounty Report #3502519 technical-description, exploit, permissions-required
- https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/