CVE-2026-3553

3.1 LOW 0.2% exploit odds No fix listed Auth & access

What it is

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.

At a glance

Exploitability: Can be exploited over the network with a low-privilege account. Limited direct impact.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-06-11 12:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 10:43 UTC Last updatedMost recent change to the record

Details

Published: 2026-06-11 12:16 UTC
Last modified: 2026-06-17 10:43 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-863 · Incorrect authorization
Record status: Analyzed

Affected

GitLab < 18.10.8
GitLab < 18.11.5
GitLab < 19.0.2

Attack profile CVSS 3.1 · 3.1

Attack vector: Network
Complexity: High
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: None
Availability: None

Raw vector

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

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References

NVD record · CVE.org record