{"action":"Upgrade github.com/oauth2-proxy/oauth2-proxy to 5.0.0 or later.","affected":[{"fixed":"5.0.0","introduced":"0"}],"component":"github.com/oauth2-proxy/oauth2-proxy","cve_ids":["CVE-2020-5233"],"ecosystem":"Go","epss":0.01304,"exploited":false,"fixed_versions":["5.0.0"],"ghsa_id":"GHSA-qqxw-m5fj-f7gv","id":"tcs_01M5KFKEN0QQK0R0RHZH6DKRHM","modified_at":"2026-07-08T06:00:28.621953661Z","published_at":"2021-12-20T18:02:38Z","references":["https://osv.dev/vulnerability/GHSA-qqxw-m5fj-f7gv","https://github.com/oauth2-proxy/oauth2-proxy/security/advisories/GHSA-qqxw-m5fj-f7gv","https://nvd.nist.gov/vuln/detail/CVE-2020-5233","https://github.com/oauth2-proxy/oauth2_proxy/commit/a316f8a06f3c0ca2b5fc5fa18a91781b313607b2","https://blog.detectify.com/2019/05/16/the-real-impact-of-an-open-redirect","https://github.com/oauth2-proxy/oauth2_proxy/releases/tag/v5.0.0"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"GHSA-qqxw-m5fj-f7gv","url":"https://osv.dev/vulnerability/GHSA-qqxw-m5fj-f7gv"}],"summary":"The pattern '/\\domain.com' is not disallowed when redirecting, allowing for open redirect"}