Is CVE-2026-74872 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-74872?

CVE-2026-74872 has a CVSS v3 severity of CRITICAL (9.8).

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CVE-2026-74872

Description

openssl_encrypt versions before 1.4.0 contain an arbitrary code execution vulnerability in the Whirlpool hash implementation that uses broad glob patterns to load .so modules without integrity verification. Attackers can place malicious .so files matching the whirlpool*py313*.so pattern in site-packages directories to achieve native code execution when the module is loaded.