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A remote unauthenticated attacker can poison the discovery document so relying parties performing dynamic (unpinned) discovery fetch the JWKS from an attacker-controlled server, causing attacker-signed JWTs to be accepted. 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OIDC Discovery Issuer and JWKS URI Injection via Unvalida","CVE":"CVE-2026-59096","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"59096","Ordinal":"1","NoteData":"Dapr Sentry's OIDC discovery endpoint derives the issuer and jwks_uri of the /.well-known/openid-configuration document from the request Host, honoring an attacker-controlled X-Forwarded-Host header without validation when no allowed-hosts list is configured (the default), and serves the document with a one-hour public cache lifetime. 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