CVE-2026-1660

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.3 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user to cause denial of service when importing issues due to improper input validation.

CVSS v3.1

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

EPSS

0.40% chance of exploitation in the next 30 days, 33th percentile

Published

2026-04-22

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3518743

References

• CVE Record
• NVD entry

Related

• CVE-2026-16595
• CVE-2026-16600
• CVE-2026-16594
• CVE-2026-16602
• CVE-2026-16590
• CVE-2026-16603