MEDIUM 5.3 NVD
CVE-2026-82040
UTMStack before 11.2.16 contains a server-side request forgery vulnerability in IdentityProviderService.validateMetadataUrl() that allows authenticated attacker
UTMStack before 11.2.16 contains a server-side request forgery vulnerability in IdentityProviderService.validateMetadataUrl() that allows authenticated attackers to make the server send requests to arbitrary internal or cloud metadata hosts by supplying a malicious metadata URL to the identity-providers endpoint. Attackers can exploit the POST/PUT /api/identity-providers endpoint with no validation of target host, IP, or scheme to perform internal network port scanning and access cloud instance-metadata services.
References
- https://github.com/UTMStack/UTMStack/releases/tag/v11.2.16
- https://github.com/utmstack/UTMStack/commit/4e7a727c3b8d8e2ad020d3b4f982a6d085dbecdd
- https://www.vulncheck.com/advisories/utmstack-ssrf-via-identityproviderservice
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-10-02 via NVD.
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