CVE-2025-14870

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.

CVSS v3.1

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

EPSS

0.34% chance of exploitation in the next 30 days, 27th percentile

Published

2026-05-14

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3446641

References

• CVE Record
• NVD entry

Related

• CVE-2025-1487
• CVE-2025-14874
• CVE-2025-14869
• CVE-2025-14877
• CVE-2025-1486
• CVE-2025-14878