{"action":"Upgrade openssl-encrypt to 1.4.6 or later.","affected":[{"fixed":"1.4.6","introduced":"0"}],"component":"openssl-encrypt","cve_ids":["CVE-2026-74871"],"ecosystem":"PyPI","epss":0.00108,"exploited":false,"fixed_versions":["1.4.6"],"ghsa_id":"GHSA-vxf9-vwp6-2w43","id":"tcs_01M5KH91BTERVEA1SXPYNWFNEW","modified_at":"2026-09-11T11:00:06.684184126Z","published_at":"2026-08-17T11:16:41.427Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3976","https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-vxf9-vwp6-2w43","https://www.vulncheck.com/advisories/openssl-encrypt-before-kdf-bypass-via-sequential-xor"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-3976","url":"https://osv.dev/vulnerability/PYSEC-2026-3976"}],"summary":"openssl_encrypt versions before 1.4.6 contain a key derivation flaw in sequential XOR composition mode where the last stage cancels out during key generation. When configured with a single KDF and no"}