{"id":"CVE-2026-82040","title":"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 ho…","summary":"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 ho…","severity":"medium","cvss":5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","cwe":["CWE-918"],"vendor":"UTMStack","product":"UTMStack","affected":["UTMStack < 11.2.16"],"published":"2026-10-02","updated":"2026-10-02","sourceUpdated":"2026-10-02T20:17:04.587","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82040","references":[{"url":"https://github.com/UTMStack/UTMStack/releases/tag/v11.2.16","label":"disclosure@vulncheck.com"},{"url":"https://github.com/utmstack/UTMStack/commit/4e7a727c3b8d8e2ad020d3b4f982a6d085dbecdd","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/utmstack-ssrf-via-identityproviderservice","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-02T22:33:09.845Z","slug":"CVE-2026-82040","body":"## Overview\n\nUTMStack 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":28,"depthScoreParts":{"impact":27.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}