{"action":"Upgrade kelvinmo/simplejwt to 1.1.1 or later.","affected":[{"fixed":"1.1.1","introduced":"0"}],"component":"kelvinmo/simplejwt","cve_ids":["CVE-2026-33204"],"ecosystem":"Packagist","epss":0.00489,"exploited":false,"fixed_versions":["1.1.1"],"ghsa_id":"GHSA-xw36-67f8-339x","id":"tcs_01M5KFBD74X8PE1VZ8DMJ0CC36","modified_at":"2026-03-25T19:47:18.395499Z","published_at":"2026-03-18T20:16:59Z","references":["https://osv.dev/vulnerability/GHSA-xw36-67f8-339x","https://github.com/kelvinmo/simplejwt/security/advisories/GHSA-xw36-67f8-339x","https://nvd.nist.gov/vuln/detail/CVE-2026-33204","https://github.com/kelvinmo/simplejwt","https://github.com/kelvinmo/simplejwt/releases/tag/v1.1.1"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-xw36-67f8-339x","url":"https://osv.dev/vulnerability/GHSA-xw36-67f8-339x"}],"summary":"SimpleJWT has an Unauthenticated Denial of Service via JWE header tampering"}