Server-Side Request Forgery Vulnerability in GitLab CE/EE
CVE-2026-100104

3.5LOW

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
13 October 2026

What is CVE-2026-100104?

A race condition in URL validation during repository import operations in GitLab CE/EE can potentially allow authenticated users to execute server-side request forgery attacks. This vulnerability may permit unauthorized access to internal network resources, underscoring the importance of promptly updating to the latest versions to mitigate risks.

Affected Version(s)

GitLab 10.3 < 19.2.8

GitLab 19.3 < 19.3.5

GitLab 19.4 < 19.4.2

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/594194
https://docs.gitlab.com/releases/patches/patch-release-gi...

CVSS V3.1

Score:
3.5
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This vulnerability has been discovered internally by GitLab team member FĂ©lix Veillette-Potvin
.