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 trusted_proxies. Attackers on private networks can forge client certificate headers to bypass mTLS authentication when ProxyAuth validation is relaxed or modified.
Published:Aug 17, 2026
Last Modified:Aug 31, 2026
EPS:Aug 17, 2026
EPSS Score:0.00129
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Jahlives
Product
Openssl Encrypt
Jahlives
Openssl Encrypt
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
