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.

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.

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.

Affected products

Jahlives Openssl_encrypt — versions 0, 1.4.0

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

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