{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74876","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-08-17T10:31:04.593Z","datePublished":"2026-08-17T11:04:44.249Z","dateUpdated":"2026-10-08T15:24:49.937Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-08T15:24:49.937Z"},"datePublic":"2026-02-10T00:00:00.000Z","title":"openssl_encrypt before 1.4.0 Unverified Key Bundle Encryption","descriptions":[{"lang":"en","value":"openssl_encrypt versions before 1.4.0 contain a vulnerability in PublicKeyBundle.from_dict() that creates key bundles from untrusted data without verifying signatures. Attackers can call from_dict() followed by to_identity() without signature verification to encrypt data using attacker-controlled public keys, leaking secrets."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Verification of Cryptographic Signature","cweId":"CWE-347","type":"CWE"}]}],"affected":[{"vendor":"jahlives","product":"openssl_encrypt","defaultStatus":"unaffected","packageURL":"pkg:pypi/openssl-encrypt","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"1.4.0"},{"version":"1.4.0","status":"unaffected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:jahlives:openssl_encrypt:*:*:*:*:*:*:*:*","versionEndExcluding":"1.4.0"}]}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS"},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS"}],"references":[{"url":"https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-8h88-gxp3-j7pg","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-8h88-gxp3-j7pg)"},{"name":"VulnCheck Advisory: openssl_encrypt before 1.4.0 Unverified Key Bundle Encryption","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/openssl-encrypt-before-unverified-key-bundle-encryption"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-17T15:41:56.272168Z","id":"CVE-2026-74876","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-17T15:42:00.978Z"}}]}}