High severity7.5NVD Advisory· Published Nov 26, 2025· Updated Jun 17, 2026
CVE-2025-12571
CVE-2025-12571
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that could have allowed an unauthenticated user to cause a Denial of Service condition by sending specifically crafted requests containing malicious JSON payloads.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
31cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*range: 17.10
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=17.10.0,<18.4.5
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=17.10.0,<18.4.5
- cpe:2.3:a:gitlab:gitlab:18.6.0:*:*:*:community:*:*:*
- cpe:2.3:a:gitlab:gitlab:18.6.0:*:*:*:enterprise:*:*:*
- (no CPE)range: from 17.10 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1
- Range: from 17.10 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1
- 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: >= 17.10.0, < 18.4.5
Patches
Vulnerability mechanics
References
3- gitlab.com/gitlab-org/gitlab/-/issues/579168nvdBroken Link
- hackerone.com/reports/3362239nvdPermissions Required
- about.gitlab.com/releases/2025/11/26/patch-release-gitlab-18-6-1-released/nvd
News mentions
1- GitLab Patch Release: 18.6.1, 18.5.3, 18.4.5GitLab Security Releases · Nov 26, 2025