High severity7.5NVD Advisory· Published Jun 7, 2023· Updated Jun 17, 2026
CVE-2023-2199
CVE-2023-2199
Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.0 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5- Range: 12.0 <= v < 15.10.8, 15.11 <= v < 15.11.7, 16.0 <= v < 16.0.2
>=12.0, <15.10.8+ 2 more
- (no CPE)range: >=12.0, <15.10.8
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=12.0.0,<15.10.8
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=12.0.0,<15.10.8
Patches
Vulnerability mechanics
References
3- gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2199.jsonnvdVendor Advisory
- hackerone.com/reports/1943819nvdPermissions RequiredThird Party Advisory
- gitlab.com/gitlab-org/gitlab/-/issues/408272nvdBroken Link
News mentions
1- GitLab Security Release: 16.0.2, 15.11.7, and 15.10.8GitLab Security Releases · Jun 5, 2023