{"action":"Upgrade openssl-encrypt to 1.4.0 or later.","affected":[{"fixed":"1.4.0","introduced":"0"}],"component":"openssl-encrypt","cve_ids":["CVE-2026-74890"],"ecosystem":"PyPI","epss":0.00213,"exploited":false,"fixed_versions":["1.4.0"],"ghsa_id":"GHSA-rvc2-5jxq-gpcj","id":"tcs_01M5KH76PKKYJN1TNKG00YE9Q4","modified_at":"2026-09-02T09:00:05.128823652Z","published_at":"2026-08-17T11:16:43.960Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3766","https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-rvc2-5jxq-gpcj","https://www.vulncheck.com/advisories/openssl-encrypt-before-hmac-authentication-bypass-via-environment-variable"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-3766","url":"https://osv.dev/vulnerability/PYSEC-2026-3766"},{"source":"nvd","source_id":"CVE-2026-74890","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74890"}],"summary":"openssl_encrypt versions before 1.4.0 contain an authentication bypass vulnerability in CamelliaCipher that disables HMAC tag generation and verification when the PYTEST_CURRENT_TEST environment varia"}