Vulnerability · Published Feb 11, 2026 · Assigned by GitLab
CVE-2026-1282Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab
Low 3.5
In plain English
A low-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)3.5Low
Exploit odds (30 days)0.2%top 91.0% 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 18.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an authenticated user to inject malicious content into project labels titles.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:24.04:LTS | gitlab-agent | no fix listed | UBUNTU-CVE-2026-1282 |
| Ubuntu:25.10 | gitlab-agent | no fix listed | UBUNTU-CVE-2026-1282 |
| Ubuntu:26.04:LTS | gitlab-agent | no fix listed | UBUNTU-CVE-2026-1282 |
| Ubuntu:26.10 | gitlab-agent | no fix listed | UBUNTU-CVE-2026-1282 |
Affected products (as reported)
Weakness: CWE-80 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
References
- GitLab Issue #587106 issue-tracking, permissions-required
- HackerOne Bug Bounty Report #3505596 technical-description, exploit, permissions-required
- https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/