{"action":"Upgrade github.com/steveiliop56/tinyauth to 1.0.1-0.20260401140714-fc1d4f2082a5 or later.","affected":[{"fixed":"1.0.1-0.20260401140714-fc1d4f2082a5","introduced":"0"}],"component":"github.com/steveiliop56/tinyauth","cve_ids":["CVE-2026-33544"],"ecosystem":"Go","epss":0.00351,"exploited":false,"fixed_versions":["1.0.1-0.20260401140714-fc1d4f2082a5"],"ghsa_id":"GHSA-9q5m-jfc4-wc92","id":"tcs_01M5KF62M5B6GSBYKHZH9Z4PGG","modified_at":"2026-06-25T19:56:22.982473324Z","published_at":"2026-04-01T19:52:04Z","references":["https://osv.dev/vulnerability/GHSA-9q5m-jfc4-wc92","https://github.com/steveiliop56/tinyauth/security/advisories/GHSA-9q5m-jfc4-wc92","https://nvd.nist.gov/vuln/detail/CVE-2026-33544","https://github.com/steveiliop56/tinyauth/commit/f26c2171610d5c2dfbba2edb6ccd39490e349803","https://github.com/steveiliop56/tinyauth","https://github.com/steveiliop56/tinyauth/releases/tag/v5.0.5"],"severity":{"label":"high","score":7.7},"sources":[{"source":"osv","source_id":"GHSA-9q5m-jfc4-wc92","url":"https://osv.dev/vulnerability/GHSA-9q5m-jfc4-wc92"}],"summary":"Tinyauth has OAuth account confusion via shared mutable state on singleton service instances"}