CVE-2026-1725

MEDIUM

GitLab 18.9 - Unauthenticated Denial of Service via CI Jobs API Endpoint

Title source: llm

Description

GitLab has remediated an issue in GitLab CE/EE affecting versions from 18.9 before 18.9.1 that could have under certain conditions, allowed an unauthenticated user to cause denial of service by sending specially crafted requests to a CI jobs API endpoint.

References (3)

Core 3

Core References

Release Notes

https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/

Issue Tracking issue-tracking permissions-required

https://gitlab.com/gitlab-org/gitlab/-/issues/588338

Third Party Advisory technical-description exploit permissions-required

https://hackerone.com/reports/3519773

Scores

CVSS v3 5.3

EPSS 0.0035

EPSS Percentile 26.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-770

Status published

Products (1)

gitlab/gitlab 18.9.0 (2 CPE variants)

Published Feb 25, 2026

Tracked Since Feb 26, 2026