CVE-2026-3553

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.0 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to access confidential issue details due to incorrect authorization checks.

CVSS v3.1

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

EPSS

0.24% chance of exploitation in the next 30 days, 14th percentile

Published

2026-06-11

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3578216

References

• CVE Record
• NVD entry

Related

• CVE-2026-35492
• CVE-2026-35533
• CVE-2026-35490
• CVE-2026-35569
• CVE-2026-35471
• CVE-2026-35570