Auth DOS via Malformed Wiki Docs in GitLab 17.118.8 (18.6.4/18.7.2/18.8.2)
CVE-2025-13335 Published on January 22, 2026
Loop with Unreachable Exit Condition ('Infinite Loop') in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.1 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 that under certain circumstances could have allowed an authenticated user to create a denial of service condition by configuring malformed Wiki documents that bypass cycle detection.
Vulnerability Analysis
CVE-2025-13335 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is an Infinite Loop Vulnerability?
The program contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. If the loop can be influenced by an attacker, this weakness could allow attackers to consume excessive resources such as CPU or memory.
CVE-2025-13335 has been classified to as an Infinite Loop vulnerability or weakness.
Products Associated with CVE-2025-13335
Want to know whenever a new CVE is published for GitLab? stack.watch will email you.
Affected Versions
GitLab:- Version 17.1 and below 18.6.4 is affected.
- Version 18.7 and below 18.7.2 is affected.
- Version 18.8 and below 18.8.2 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.