CVE-2026-2601

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 11.5 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed an authenticated user with developer-role permissions to access sensitive deployment data on projects due to improper authorization checks.

CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
gitlab	gitlab	11.5.0 — 18.10.7
gitlab	gitlab	18.11.0 — 18.11.4
gitlab	gitlab	All

References

Other References

https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/ https://gitlab.com/gitlab-org/gitlab/-/work_items/590389 https://hackerone.com/reports/3556381

Frequently Asked Questions

What is CVE-2026-2601? +

GitLab has remediated an issue in GitLab EE affecting all versions from 11.5 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed an authenticated user with developer-role permissions to access sensitive deployment data on projects due to improper authorization checks. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-2601? +

CVE-2026-2601 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2026-2601? +

CVE-2026-2601 affects products from gitlab, specifically: gitlab. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-2601? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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