GitLab EE 18.818.11 Auth Virtual Reg RCE via Invalid Upstream Validation
CVE-2026-7471 Published on May 14, 2026
Server-Side Request Forgery (SSRF) in GitLab
GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with control of a virtual registry upstream to make requests to internal hosts due to improper validation.
Vulnerability Analysis
CVE-2026-7471 can be exploited with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is a SSRF Vulnerability?
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. By providing URLs to unexpected hosts or ports, attackers can make it appear that the server is sending the request, possibly bypassing access controls such as firewalls that prevent the attackers from accessing the URLs directly. The server can be used as a proxy to conduct port scanning of hosts in internal networks, use other URLs such as that can access documents on the system (using file://), or use other protocols such as gopher:// or tftp://, which may provide greater control over the contents of requests.
CVE-2026-7471 has been classified to as a SSRF vulnerability or weakness.
Products Associated with CVE-2026-7471
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Affected Versions
GitLab:- Version 18.8 and below 18.9.7 is affected.
- Version 18.10 and below 18.10.6 is affected.
- Version 18.11 and below 18.11.3 is affected.