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CVE-2026-81719 is a code-injection vulnerability in openssl_encrypt versions before 1.4.9. The default signature policy for non-built-in plugins was WARN, permitting unsigned or unverifiable third-party plugins to be compiled and executed in the host process during import. This execution occurs before installation of the runtime sandbox. The remaining default control, an AST denylist, was incomplete and bypassable. A malicious plugin loaded by a user can therefore execute attacker-controlled code in the host process.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An arbitrary code execution vulnerability in openssl_encrypt before version 1.4.9. Its default WARN plugin-signature policy permitted unsigned or unverifiable non-built-in plugins to be compiled and executed during import, before the runtime sandbox was installed. An attacker who persuades a user to load a malicious plugin can execute code with that user's privileges.
A remote code execution vulnerability in openssl_encrypt before version 1.4.9. Unsigned or unverifiable third-party plugins could be compiled and executed in the host process during import, before sandboxing, because the default signature policy was WARN and relied on a bypassable AST denylist. Exploitation requires inducing a user to load a malicious plugin.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.