High severity7.7NVD Advisory· Published Dec 11, 2025· Updated Jun 17, 2026
CVE-2025-8405
CVE-2025-8405
Description
GitLab has remediated a security issue in GitLab CE/EE affecting all versions from 17.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to perform unauthorized actions on behalf of other users by injecting malicious HTML into vulnerability code flow displays.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
29cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*range: 17.1
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=17.1.0,<18.4.6
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=17.1.0,<18.4.6
- (no CPE)range: from 17.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2
- Range: from 17.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2
- osv-coords24 versionspkg:apk/chainguard/gitlab-rails-ce-18.1pkg:apk/chainguard/gitlab-rails-ce-18.2pkg:apk/chainguard/gitlab-rails-ce-18.3pkg:apk/chainguard/gitlab-rails-ce-assets-18.1pkg:apk/chainguard/gitlab-rails-ce-assets-18.2pkg:apk/chainguard/gitlab-rails-ce-assets-18.3pkg:apk/chainguard/gitlab-rails-ce-assets-fips-18.1pkg:apk/chainguard/gitlab-rails-ce-assets-fips-18.2pkg:apk/chainguard/gitlab-rails-ce-assets-fips-18.3pkg:apk/chainguard/gitlab-rails-ce-doc-18.1pkg:apk/chainguard/gitlab-rails-ce-doc-18.2pkg:apk/chainguard/gitlab-rails-ce-doc-18.3pkg:apk/chainguard/gitlab-rails-ce-doc-fips-18.1pkg:apk/chainguard/gitlab-rails-ce-doc-fips-18.2pkg:apk/chainguard/gitlab-rails-ce-doc-fips-18.3pkg:apk/chainguard/gitlab-rails-ce-fips-18.1pkg:apk/chainguard/gitlab-rails-ce-fips-18.2pkg:apk/chainguard/gitlab-rails-ce-fips-18.3pkg:apk/chainguard/gitlab-workhorse-ce-18.1pkg:apk/chainguard/gitlab-workhorse-ce-18.2pkg:apk/chainguard/gitlab-workhorse-ce-18.3pkg:apk/chainguard/gitlab-workhorse-ce-fips-18.1pkg:apk/chainguard/gitlab-workhorse-ce-fips-18.2pkg:bitnami/gitlab
< 18.1.6-r3+ 23 more
- (no CPE)range: < 18.1.6-r3
- (no CPE)range: < 18.2.8-r3
- (no CPE)range: < 18.3.6-r2
- (no CPE)range: < 18.1.6-r3
- (no CPE)range: < 18.2.8-r3
- (no CPE)range: < 18.3.6-r2
- (no CPE)range: < 18.1.6-r4
- (no CPE)range: < 18.2.8-r4
- (no CPE)range: < 18.3.6-r2
- (no CPE)range: < 18.1.6-r3
- (no CPE)range: < 18.2.8-r3
- (no CPE)range: < 18.3.6-r2
- (no CPE)range: < 18.1.6-r4
- (no CPE)range: < 18.2.8-r4
- (no CPE)range: < 18.3.6-r2
- (no CPE)range: < 18.1.6-r4
- (no CPE)range: < 18.2.8-r4
- (no CPE)range: < 18.3.6-r2
- (no CPE)range: < 18.1.6-r3
- (no CPE)range: < 18.2.8-r3
- (no CPE)range: < 18.3.6-r2
- (no CPE)range: < 18.1.6-r4
- (no CPE)range: < 18.2.8-r3
- (no CPE)range: >= 17.1.0, < 18.4.6
Patches
Vulnerability mechanics
References
3- about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/nvdRelease NotesVendor Advisory
- gitlab.com/gitlab-org/gitlab/-/issues/558214nvdBroken Link
- hackerone.com/reports/3270940nvdPermissions Required
News mentions
1- GitLab Patch Release: 18.6.2, 18.5.4, 18.4.6GitLab Security Releases · Dec 10, 2025