CVE-2026-5262 — HIGH (8.0) — White Hats Nepal

Q: How severe is CVE-2026-5262?

CVE-2026-5262 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-5262?

Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.

Vulnerability Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.1.0 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 unauthenticated user to access tokens in the Storybook development environment due to improper input validation.

CVSS Score

8.0

HIGH

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Gitlab	Gitlab	>= 16.1.0, < 18.9.6

Related Weaknesses (CWE)

CWE-79

References

https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-releasRelease NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/595332Broken Link
https://hackerone.com/reports/3574642Permissions Required

FAQ

What is CVE-2026-5262?

CVE-2026-5262 is a vulnerability with a CVSS score of 8.0 (HIGH). GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.1.0 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 unau...

How severe is CVE-2026-5262?

CVE-2026-5262 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-5262?

Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.