{"action":"Upgrade github.com/ory/hydra to 1.4.0 or later.","affected":[{"fixed":"1.4.0","introduced":"0"}],"component":"github.com/ory/hydra","cve_ids":["CVE-2020-5300"],"ecosystem":"Go","epss":0.01028,"exploited":false,"fixed_versions":["1.4.0"],"ghsa_id":"GHSA-3p3g-vpw6-4w66","id":"tcs_01M5KEV390Y96JG0530TGR4FMX","modified_at":"2026-07-08T06:28:27.094037366Z","published_at":"2021-05-27T18:43:22Z","references":["https://osv.dev/vulnerability/GHSA-3p3g-vpw6-4w66","https://github.com/ory/hydra/security/advisories/GHSA-3p3g-vpw6-4w66","https://nvd.nist.gov/vuln/detail/CVE-2020-5300","https://github.com/ory/hydra/commit/700d17d3b7d507de1b1d459a7261d6fb2571ebe3","https://github.com/ory/hydra","https://github.com/ory/hydra/releases/tag/v1.4.0","https://openid.net/specs/openid-connect-core-1_0.html#ClientAuthentication"],"severity":{"label":"medium","score":5.8},"sources":[{"source":"osv","source_id":"GHSA-3p3g-vpw6-4w66","url":"https://osv.dev/vulnerability/GHSA-3p3g-vpw6-4w66"}],"summary":"Authentication Bypass in hydra"}