github.com/ory/hydra (Go) — known CVEs & security advisories

Known CVE vulnerabilities and GitHub Security Advisories affecting the Go package github.com/ory/hydra, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.

CVEs (3)

• CVE-2026-33504 — CVSS 7.2 (high): Ory Hydra is an OAuth 2.0 Server and OpenID Connect Provider. Prior to version 26.2.0, the listOAuth2Clients, listOAuth2ConsentSessions…
• CVE-2019-8400 — CVSS 6.1 (medium): ORY Hydra before v1.0.0-rc.3+oryOS.9 has Reflected XSS via the oauth2/fallbacks/error error_hint parameter.
• CVE-2020-5300 — CVSS 5.8 (medium): In Hydra (an OAuth2 Server and OpenID Certified™ OpenID Connect Provider written in Go), before version 1.4.0+oryOS.17, when using client…