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.

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.

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.

Affected products

Jahlives Openssl_encrypt — versions 0, 1.4.0

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (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.