{"apiVersion":"1.0","identifier":"CVE-2026-74901","description":"openssl_encrypt versions before 1.4.0 contain an authentication bypass vulnerability in pqc.py where AES-GCM decryption failures trigger fallback to unauthenticated AES-CTR mode. Attackers can modify ciphertext in transit to bypass integrity verification and perform bit-flipping attacks without detection.","publishedAt":"2026-08-17T11:16:45","lastModifiedAt":"2026-08-17T16:17:51","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74901","cvssScore":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","epssProbability":0.0024,"riskScore":1,"affectedProduct":"openssl_encrypt","affectedVersions":"<1.4.0","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-74901","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-74901","en":"https://www.redsauce.net/en/cves/CVE-2026-74901","fr":"https://www.redsauce.net/fr/cves/CVE-2026-74901","pt":"https://www.redsauce.net/pt/cves/CVE-2026-74901","de":"https://www.redsauce.net/de/cves/CVE-2026-74901","sk":"https://www.redsauce.net/sk/cves/CVE-2026-74901","el":"https://www.redsauce.net/el/cves/CVE-2026-74901"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-74901"}}