Vulnerability in Jahlives OpenSSL Encrypt
CVE-2026-74896
openssl_encrypt versions before 1.4.0 contain a sandbox escape vulnerability in the DangerousPatternVisitor AST analyzer that fails to detect dunder attribute traversal techniques. Attackers can use __class__, __bases__, __subclasses__(), and __globals__ chains to access restricted functions and execute arbitrary system commands from plugin code.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (44.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.002
Affected products
- Jahlives OpenSSL Encrypt — versions 0, 1.4.0
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-w7gr-9g4g-33mx) (vendor-advisory, Mitigation, Vendor Advisory)
- VulnCheck Advisory: openssl_encrypt before 1.4.0 Sandbox Escape via Dunder Attribute Traversal (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-74896?
- CVE-2026-74896 is a critical-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Protection Mechanism Failure. CVSS score: 9.8/10. Published 2026-08-17.
- How severe is CVE-2026-74896?
- Critical severity. CVSS v3 base score is 9.8 out of 10.