What is CVE-2026-74872?

CVE-2026-74872 is a critical-severity vulnerability, classified under Untrusted Search Path. CVSS score: 9.8/10. Published 2026-08-17.

How severe is CVE-2026-74872?

Critical severity. CVSS v3 base score is 9.8 out of 10.

CVE-2026-74872

CVE-2026-74872

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.

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.

Weakness classification (CWE)

CWE-426 — Untrusted Search Path

References

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

Frequently asked questions

What is CVE-2026-74872?: CVE-2026-74872 is a critical-severity vulnerability, classified under Untrusted Search Path. CVSS score: 9.8/10. Published 2026-08-17.
How severe is CVE-2026-74872?: Critical severity. CVSS v3 base score is 9.8 out of 10.