CVE-2026-74882
Last modified
CVE-2026-74882 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jahlives | Openssl Encrypt | < 1.4.0 |
References
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-2592-7m3g-7fq6Mitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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Scan your code nowSource: NVD / NIST