High severity7.5OSV Advisory· Published Aug 17, 2026· Updated Aug 31, 2026
CVE-2026-74882
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2(expand)+ 1 more
- (no CPE)
- (no CPE)range: <1.4.0
Patches
Vulnerability mechanics
References
2- github.com/jahlives/openssl_encrypt/security/advisories/GHSA-2592-7m3g-7fq6nvdMitigationVendor Advisory
- www.vulncheck.com/advisories/openssl-encrypt-before-insecure-default-configurationnvdThird Party Advisory
News mentions
1- Jahlives openssl_encrypt: 25 Critical Flaws Including Auth Bypass and Sandbox Escapes Disclosed TogetherVypr Intelligence · Aug 17, 2026