CVE-2025-12983
Last modified
CVE-2025-12983 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.9 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to cause a denial of service condition by submitting specially crafted markdown content with nested formatting patterns.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.9 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to cause a denial of service condition by submitting specially crafted markdown content with nested formatting patterns.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 16.9.0, < 18.3.6 |
| Gitlab | Gitlab | >= 18.4.0, < 18.4.4 |
| Gitlab | Gitlab | >= 18.5.0, < 18.5.2 |
References
- https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/Release Notes, Vendor Advisory
- https://hackerone.com/reports/3419588Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-12983?
How severe is CVE-2025-12983?
How do I fix CVE-2025-12983?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-12977Fluent Bit in_http, in_splunk, and in_elasticsearch input pl…9.1
- CVE-2025-12978Fluent Bit in_http, in_splunk, and in_elasticsearch input pl…5.4
- CVE-2025-12979The Welcart e-Commerce plugin for WordPress is vulnerable to…5.3
- CVE-2025-1298Logic vulnerability in the mobile application (com.transsion…9.8
- CVE-2025-12980The Post Grid Gutenberg Blocks for News, Magazines, Blog Web…7.5
- CVE-2025-12981The Listee theme for WordPress is vulnerable to privilege es…9.8
- CVE-2025-12984The Advanced Ads – Ad Manager & AdSense plugin for WordPress…4.9
- CVE-2025-12985IBM Licensing Operator incorrectly assigns privileges to sec…8.4
- CVE-2025-12986When a WF200/WGM160P device is configured to operate as an A…6
- CVE-2025-1299An issue has been discovered in GitLab CE/EE affecting all v…4.3
- CVE-2025-12993Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMB…
- CVE-2025-12994Medtronic CareLink Network allows an unauthenticated remote …5.3
Are you affected by CVE-2025-12983?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST