gdfurr98/ply-cve-2025-56005-lab

PoC

Lab demonstrating that CVE-2025-56005 is real and does allow arbitrary code execution at a minimum (the debate about RCE notwithstanding here), and shows that ply-safepickle does block the exploit path.

view exploit source poc_in_githubauthor gdfurr98published 2026-09-27catalog poc_in_github

exploited CVEs (1)

Known CVEs related to this entry.

ID	severity	EPSS	exploitable	published
CVE-2025-56005US	—	18.8% (97th)	Exploit	2026-01-20
An undocumented and unsafe feature in the PLY (Python Lex-Yacc) library 3.11 allows Remote Code Execution (RCE) via the `picklefile` parameter in the `yacc()` function. This parame…

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