CVE-2026-1101 — MEDIUM (6.5)

Q: How severe is CVE-2026-1101?

CVE-2026-1101 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-1101?

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 EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to cause denial of service to the GitLab instance due to improper input validation in GraphQL queries.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Gitlab	Gitlab	>= 18.2, < 18.8.9

Related Weaknesses (CWE)

CWE-1284

References

https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-releasRelease NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/586488Broken Link
https://hackerone.com/reports/3460228Permissions Required

FAQ

What is CVE-2026-1101?

CVE-2026-1101 is a vulnerability with a CVSS score of 6.5 (MEDIUM). GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to cause denial o...

How severe is CVE-2026-1101?

CVE-2026-1101 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-1101?

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