{"apiVersion":"1.0","identifier":"CVE-2026-74882","description":"openssl_encrypt versions before 1.4.0 contain an insecure default configuration that trusts the entire RFC 1918 private address space in IntegrityProxyConfig trusted_proxies. Attackers on private networks can forge client certificate headers to bypass mTLS authentication when ProxyAuth validation is relaxed or modified.","publishedAt":"2026-08-17T11:16:42","lastModifiedAt":"2026-08-26T17:35:02","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74882","cvssScore":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","epssProbability":0.00129,"riskScore":0.76,"affectedProduct":"openssl_encrypt","affectedVersions":"<1.4.0","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-74882","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-74882","en":"https://www.redsauce.net/en/cves/CVE-2026-74882","fr":"https://www.redsauce.net/fr/cves/CVE-2026-74882","pt":"https://www.redsauce.net/pt/cves/CVE-2026-74882","de":"https://www.redsauce.net/de/cves/CVE-2026-74882","sk":"https://www.redsauce.net/sk/cves/CVE-2026-74882","el":"https://www.redsauce.net/el/cves/CVE-2026-74882"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-74882"}}