Vulnerability details
CVE-2026-0595
GitLab GitLab
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
CVSS 3.1
7.3High
Official description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to add unauthorized email addresses to victim accounts through HTML injection in test case titles.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.3High | 3.1 | CVEProject cvelistV5 (CNA) (GitLab) | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| GitLab | GitLab | 13.9 ≤ v < 18.6.6 | CVEProject cvelistV5 (CNA) |
| GitLab | GitLab | 18.7 ≤ v < 18.7.4 | CVEProject cvelistV5 (CNA) |
| GitLab | GitLab | 18.8 ≤ v < 18.8.4 | CVEProject cvelistV5 (CNA) |
References and advisories
3- https://gitlab.com/gitlab-org/gitlab/-/issues/584975 issue-trackingpermissions-required
- https://hackerone.com/reports/3486862 technical-descriptionexploitpermissions-required
- https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/
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Details
- Published
- 2026-02-11
- Last updated
- 2026-02-26
- State
- Published
- Assigner (CNA)
- GitLab
Exploit prediction (EPSS)
0.26%
Probability of exploitation in 30 days
18.4%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')