CVE-2026-81701 — openssl_encrypt before 1.4.9 Arbitrary Code Execution via unsigned plugin
openssl_encrypt versions before 1.4.9 use a denylist to identify trusted built-in plugins, allowing unsigned plugins in top-level plugins/ directories and unknown subdirectories…
Published: 2026-08-27 · CVSS: 9.3 · CVSS 4.0
openssl_encrypt versions before 1.4.9 use a denylist to identify trusted built-in plugins, allowing unsigned plugins in top-level plugins/ directories and unknown subdirectories to bypass signature verification. Attackers can place malicious unsigned plugins following documented installation paths to achieve arbitrary code execution in the CLI process with access to passwords and cryptographic keys.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7