{"action":"Upgrade @acastellon/auth to 2.3.0 or later.","affected":[{"fixed":"2.3.0","introduced":"0"}],"component":"@acastellon/auth","cve_ids":["CVE-2026-58399"],"ecosystem":"npm","epss":0.00973,"exploited":false,"fixed_versions":["2.3.0"],"ghsa_id":"GHSA-gfj5-979r-92pw","id":"tcs_01M5KFRGQB1TXJAQKD1E2RSAWR","modified_at":"2026-09-10T03:51:08.661430056Z","published_at":"2026-06-18T17:22:47Z","references":["https://osv.dev/vulnerability/GHSA-gfj5-979r-92pw","https://github.com/antonio-castellon/module-auth/security/advisories/GHSA-gfj5-979r-92pw","https://github.com/antonio-castellon/module-auth/issues/6","https://github.com/antonio-castellon/module-auth","https://www.npmjs.com/package/@acastellon/auth/v/2.3.0"],"severity":{"label":"critical"},"sources":[{"source":"osv","source_id":"GHSA-gfj5-979r-92pw","url":"https://osv.dev/vulnerability/GHSA-gfj5-979r-92pw"}],"summary":"@acastellon/auth: Authentication bypass via spoofable headers in validateToken()"}