CVE-2025-13929
Published: 11 March 2026
Summary
CVE-2025-13929 is a high-severity Allocation of Resources Without Limits or Throttling (CWE-770) vulnerability in Gitlab Gitlab. Its CVSS base score is 7.5 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 16.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
This control implements explicit throttling on session allocation, addressing the weakness of allocating resources without limits.
Plan testing exercises resource allocation limits and throttling during simulated failures, directly addressing weaknesses that allow unbounded resource use.
Contingency plan updates ensure recovery strategies address unbounded resource allocation, making it harder for attackers to exploit lack of throttling to cause prolonged outages.
Provides continuity when unbounded resource allocation at the primary site leads to exhaustion and downtime.
Alternate services allow operations to continue when primary allocation of resources lacks limits or throttling.
Explicit planning of security-related actions requires defining limits, windows, and resource allocations, making allocation without throttling far less likely.
Measures of performance include tracking allocation behavior and throttling effectiveness, reducing the window for resource exhaustion attacks.
Imposes an inactivity-based limit on network resource allocation, throttling the number of concurrently held connections.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Unauthenticated network exploitation of public GitLab web endpoints directly matches T1190; resulting availability impact via application flaw matches T1499.004.
NVD Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.0 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an unauthenticated user to cause a denial of service by issuing specially crafted requests…
more
to repository archive endpoints under certain conditions.
Deeper analysisAI
CVE-2025-13929 is a denial-of-service vulnerability in GitLab Community Edition (CE) and Enterprise Edition (EE), affecting all versions from 10.0 prior to 18.7.6, 18.8 prior to 18.8.6, and 18.9 prior to 18.9.2. The flaw enables an unauthenticated user to trigger a DoS by issuing specially crafted requests to repository archive endpoints under certain conditions. It carries a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) and maps to CWE-770 (Allocation of Resources Without Limits or Throttling).
An unauthenticated attacker with network access can exploit this vulnerability with low attack complexity, no required privileges, and no user interaction. Exploitation causes high-impact disruption to service availability on the affected GitLab instance, without affecting confidentiality or integrity.
GitLab has remediated the issue via patches in versions 18.7.6, 18.8.6, and 18.9.2, as detailed in the March 11, 2026 patch release notes for 18.9.2. Administrators should prioritize upgrading to these fixed versions; further technical details are available in the associated GitLab issue tracker (gitlab.com/gitlab-org/gitlab/-/issues/582738) and HackerOne report (hackerone.com/reports/3441004).
Details
- CWE(s)