Vulnerability in Jahlives OpenSSL Encrypt
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 · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (5.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000
Affected products
- Jahlives OpenSSL Encrypt — versions 0, 1.4.0
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-2592-7m3g-7fq6) (vendor-advisory, Mitigation, Vendor Advisory)
- VulnCheck Advisory: openssl_encrypt before 1.4.0 Insecure Default Configuration (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-74882?
- CVE-2026-74882 is a high-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Insufficient Verification of Data Authenticity. CVSS score: 7.5/10. Published 2026-08-17.
- How severe is CVE-2026-74882?
- High severity. CVSS v3 base score is 7.5 out of 10.