CVE Vulnerabilities

CVE-2026-100104

Server-Side Request Forgery (SSRF)

Published: Oct 13, 2026 | Modified: Oct 14, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
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GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.3 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to perform server-side request forgery and reach internal network resources due to a time-of-check to time-of-use race condition in URL validation during repository import operations.

Weakness

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Affected Software

NameVendorStart VersionEnd Version
GitlabGitlab10.3.0 (including)19.2.8 (excluding)
GitlabGitlab19.3.0 (including)19.3.5 (excluding)
GitlabGitlab19.4.0 (including)19.4.2 (excluding)
GitlabUbuntuesm-apps-legacy/xenial*

References