CVE-2025-2853: 
GitLab vulnerability analysis and mitigation

A vulnerability (CVE-2025-2853) was discovered in GitLab CE/EE affecting all versions before 17.10.7, 17.11 before 17.11.3, and 18.0 before 18.0.1. The issue stems from a lack of proper validation in GitLab that could allow an authenticated user to cause a denial of service condition. The vulnerability was reported through GitLab's HackerOne bug bounty program by researcher pwnie (GitLab Release, NVD).

The vulnerability has been assigned a CVSS v3.1 Base Score of 6.5 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. The issue is categorized as CWE-770 (Allocation of Resources Without Limits or Throttling), indicating a resource management problem that could lead to denial of service conditions (NVD, Wiz).

The vulnerability enables an authenticated attacker to cause a denial of service condition by exploiting the lack of proper validation in GitLab. This could result in service disruption for affected GitLab instances (GitLab Release, Wiz).

GitLab has released patches in versions 18.0.1, 17.11.3, and 17.10.7 to address this vulnerability. Users are strongly recommended to upgrade to these patched versions immediately. GitLab.com is already running the patched version, and GitLab Dedicated customers do not need to take action (GitLab Release).

The vulnerability was discovered and reported through GitLab's HackerOne bug bounty program by security researcher pwnie, demonstrating the effectiveness of GitLab's security response program (GitLab Release).