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Critical · 9.8 CVE-2026-74886 EUVD-2026-60105GHSA-9pgj-v69p-q586GHSA-c7vw-vfxj-3mvhPYSEC-2026-3763

openssl_encrypt before 1.4.0 Plugin Import Guard Bypass

Published Aug 17, 2026 · Updated Oct 1, 2026 · Assigned by VulnCheck

Description

openssl_encrypt versions before 1.4.0 contain a plugin sandbox bypass vulnerability where the PluginImportGuard blocks a different set of modules than the AST analyzer's DANGEROUS_MODULES set. Attackers can bypass AST analysis through string obfuscation or encoding to import unblocked dangerous modules like sys, shutil, multiprocessing, importlib, and pickle for arbitrary code execution.

Affected products

VendorProductAffectedFixed
jahlives openssl_encrypt < 1.4.0 1.4.0

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI openssl-encrypt < 1.4.0 1.4.0 PYSEC-2026-3763

References