{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-54588/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-23T22:09:27.268Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-54588","@id":"https://www.cve.org/CVERecord?id=CVE-2026-54588","description":"Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 use the attacker-controlled `HTTP_HOST` request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An unauthenticated attacker can poison the `redirect_uri` sent to the Identity Provider, causing the IdP to redirect the victim's authorization code to an attacker-controlled server - resulting in full account "},"products":[{"@id":"cpe:2.3:a:poweradmin:poweradmin:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:poweradmin:poweradmin:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"No fixed version is published yet; monitor the upstream advisory.","timestamp":"2026-06-23T22:09:27.268Z"}]}