{"apiVersion":"1.0","identifier":"CVE-2026-74890","description":"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 variable is set. Attackers with code execution can set this environment variable to produce unauthenticated ciphertext and bypass integrity protection on encrypted data.","publishedAt":"2026-08-17T11:16:43","lastModifiedAt":"2026-08-17T15:16:58","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74890","cvssScore":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","epssProbability":0.00165,"riskScore":0.56,"affectedProduct":"openssl_encrypt","affectedVersions":"<1.4.0","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-74890","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-74890","en":"https://www.redsauce.net/en/cves/CVE-2026-74890","fr":"https://www.redsauce.net/fr/cves/CVE-2026-74890","pt":"https://www.redsauce.net/pt/cves/CVE-2026-74890","de":"https://www.redsauce.net/de/cves/CVE-2026-74890","sk":"https://www.redsauce.net/sk/cves/CVE-2026-74890","el":"https://www.redsauce.net/el/cves/CVE-2026-74890"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-74890"}}