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CVE-2026-74886

9.3 critical SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 9.3 · jahlivesNVD modified 2026-10-23 23:10

Affected (CPE criteria) 1

  • cpe:2.3:a:jahlives:openssl_encrypt:*:*:*:*:*:python:*:*

References 2