CVE-2026-74882

EUVD-2026-60101
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 5.33%
Affected Products (NVD)
VendorProductVersion
jahlivesopenssl_encrypt
𝑥
< 1.4.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-2592-7m3g-7fq6
https://www.vulncheck.com/advisories/openssl-encrypt-before-insecure-default-configuration