Vulnerability · Published Oct 9, 2025 · Assigned by GitLab
CVE-2025-2934Allocation of Resources Without Limits or Throttling in GitLab
Medium 4.3
In plain English
A medium-severity resource allocation without limits in GitLab from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.5%top 54.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 5.2 prior to 18.2.8, 18.3 prior to 18.3.4, and 18.4 prior to 18.4.2 that could have allowed an authenticated attacker to create a denial of service condition by configuring malicious webhook endpoints that send crafted HTTP responses.
Affected products (as reported)
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
References
- https://about.gitlab.com/releases/2025/10/08/patch-release-gitlab-18-4-2-released/
- GitLab Issue #528979 issue-tracking, permissions-required
- HackerOne Bug Bounty Report #3058791 technical-description, exploit, permissions-required