CVE-2026-82040EPSS p8.1%
CVE-2026-82040CVE-2026-82040
Description
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.
Scoring
| CVSS | 5.0 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |
| EPSS | 0.19% probability of exploitation · percentile 8.1% · 2026-10-05T12:00:23Z |
| Last modified | 2026-10-05 |