CVE-2025-14870CWE-770denial-of-service

CVE-2025-14870

High · published May 14, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
26.2
In the wild
Unconfirmed
What it is

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause denial of service by sending specially crafted JSON payloads due to insufficient input validation.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00339 · 26.2th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-05-14T10:16Z
Affected products (6)
ProductVersionsFixed in
gitlab/gitlab≥ 18.5.0, < 18.9.718.9.7
gitlab/gitlab≥ 18.5.0, < 18.9.718.9.7
gitlab/gitlab≥ 18.10.0, < 18.10.618.10.6
gitlab/gitlab≥ 18.10.0, < 18.10.618.10.6
gitlab/gitlab≥ 18.11.0, < 18.11.318.11.3
gitlab/gitlab≥ 18.11.0, < 18.11.318.11.3
References (3)
https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/ · [email protected]https://gitlab.com/gitlab-org/gitlab/-/work_items/584490 · [email protected]https://hackerone.com/reports/3446641 · [email protected]
EPSS history
Timeline
  • 14 MAY 05:37Z
    Allocation of Resources Without Limits or Throttling in GitLab
    cvelistv5