CVE-2026-15975

HIGH

Allocation of Resources Without Limits or Throttling in GitLab

Title source: cna

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an unauthenticated user to cause a denial of service due to insufficient resource throttling when processing merge request discussions.

References (2)

Core 2

Core References

https://gitlab.com/gitlab-org/gitlab/-/work_items/601420

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/

Scores

CVSS v3 7.5

EPSS 0.0039

EPSS Percentile 32.2%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-770

Status published

Products (3)

GitLab/GitLab 11.8 - 19.0.5

GitLab/GitLab 19.1 - 19.1.3

GitLab/GitLab 19.2 - 19.2.1

Published Jul 29, 2026

Tracked Since Jul 30, 2026