CVE-2026-1090
- Source
- https://cve.org/CVERecord?id=CVE-2026-1090
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1090.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-1090
- Aliases
- Downstream
- Published
- 2026-03-11T16:05:05.863Z
- Modified
- 2026-04-10T05:36:57.025191Z
- Severity
-
- 8.7 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N CVSS Calculator
- Summary
- Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
- Details
-
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user, when the
markdown_placeholdersfeature flag was enabled, to inject JavaScript in a browser due to improper sanitization of placeholder content in markdown processing. - Database specific
{ "cwe_ids": [ "CWE-79" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1090.json", "cna_assigner": "GitLab" }- References
-
- https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/
- https://gitlab.com/gitlab-org/gitlab/-/work_items/586478
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1090.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-1090
- https://hackerone.com/reports/3502450
- git://git@gitlab.com:gitlab-org/gitlab.git
Affected packages
Git / gitlab.com/gitlab-org/gitlab
Affected ranges
- Type
- GIT
- Repo
- https://gitlab.com/gitlab-org/gitlab
- Events
-
IntroducedFixedIntroducedFixedIntroducedFixedIntroducedFixedIntroducedFixedIntroducedFixed
- Database specific
{ "versions": [ { "introduced": "10.6.0" }, { "fixed": "18.7.6" }, { "introduced": "10.6.0" }, { "fixed": "18.7.6" }, { "introduced": "18.8.0" }, { "fixed": "18.8.6" }, { "introduced": "18.8.0" }, { "fixed": "18.8.6" }, { "introduced": "18.9.0" }, { "fixed": "18.9.2" }, { "introduced": "18.9.0" }, { "fixed": "18.9.2" } ] }