CVE-2026-74886
Critical · 9.8CVSS
9.8
EPSS
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Published
Aug 17, 2026
CISA due date
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The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
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