HIGH 8.7 NVD
CVE-2026-74882
openssl_encrypt versions before 1.4.0 contain an insecure default configuration that trusts the entire RFC 1918 private address space in IntegrityProxyConfig tr
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.
References
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-2592-7m3g-7fq6
- https://www.vulncheck.com/advisories/openssl-encrypt-before-insecure-default-configuration
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-08-17 via NVD.
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