{"id":"CVE-2026-81703","state":"PUBLISHED","title":"openssl_encrypt before 1.4.9 Authentication Bypass via Unencrypted PQC Key","description":"openssl_encrypt versions before 1.4.9 fail to validate encryption status of embedded post-quantum private keys in file metadata. Attackers can craft files with unencrypted embedded PQC keys that decrypt under any password, bypassing authentication and producing attacker-chosen plaintext with false integrity verification.","publishedAt":"2026-08-27T14:51:06.238Z","updatedAt":"2026-10-01T15:21:31.727Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["jahlives openssl_encrypt"],"affected":[{"vendor":"jahlives","product":"openssl_encrypt","packageURL":"pkg:pypi/openssl-encrypt","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.4.9","versionType":"semver"},{"version":"1.4.9","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-qqfq-g2cv-j7v3","https://www.vulncheck.com/advisories/openssl-encrypt-before-1.4.9-authentication-bypass-via-unencrypted-pqc-key"],"weaknesses":["CWE-287"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/81xxx/CVE-2026-81703.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-81703","state":"PUBLISHED","datePublished":"2026-08-27T14:51:06.238Z","dateUpdated":"2026-10-01T15:21:31.727Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-08-27T11:12:29.817Z"},"containers":{"cna":{"title":"openssl_encrypt before 1.4.9 Authentication Bypass via Unencrypted PQC Key","descriptions":[{"lang":"en","value":"openssl_encrypt versions before 1.4.9 fail to validate encryption status of embedded post-quantum private keys in file metadata. 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