CVE-2026-74882

Summary

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.

Affected Software

VendorProductVersion RangeStatus
jahlivesopenssl_encrypt0 < 1.4.0affected
jahlivesopenssl_encrypt1.4.0unaffected

Weaknesses

  • CWE-345: Insufficient Verification of Data Authenticity

References