{"id":"CVE-2026-74886","aliases":["PYSEC-2026-3763","GHSA-9pgj-v69p-q586"],"title":"openssl_encrypt versions before 1.4.0 contain a plugin sandbox bypass vulnerability where the PluginImportGuard blocks a different set of…","summary":"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 st…","severity":"none","vendor":"openssl-encrypt","product":"openssl-encrypt","ecosystem":"pip","affected":["openssl-encrypt < 1.4.0"],"patched":["openssl-encrypt 1.4.0"],"published":"2026-08-17","updated":"2026-09-02","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/PYSEC-2026-3763","references":[{"url":"https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-9pgj-v69p-q586"},{"url":"https://www.vulncheck.com/advisories/openssl-encrypt-before-plugin-import-guard-bypass"}],"tags":["osv","pip"],"epss":0.00376,"epssPercentile":0.31521,"ingestedAt":"2026-09-02T19:31:25.537Z","slug":"CVE-2026-74886","body":"## Overview\n\nopenssl_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.\n\n## Affected packages\n\n- `openssl-encrypt < 1.4.0`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `openssl-encrypt 1.4.0`","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}