Open-source package vulnerability · PyPI

GHSA-6v84-v468-3c7f: Duplicate Advisory: Picklescan has Incomplete List of Disallowed Inputs

criticalCVSS 4.0 9.3 · 3.1 9.8

This advisory was withdrawn on Jun 18, 2026. The publisher no longer considers it a valid vulnerability.

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-84r2-jw7c-4r5q. This link is maintained to preserve external references. Original Description picklescan before 0.0.33 contains an incomplete deny-list that fails to block pydoc.locate and operator.methodcaller functions, allowing attackers to bypass security checks.

Published Jun 17, 2026 · Updated Jun 18, 2026

Affected packages

picklescan

Ecosystem: PyPI
Affected: < 0.0.33
Fixed in: No patched version yet
Check: pip show picklescan

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-84r2-jw7c-4r5q. This link is maintained to preserve external references.

Original Description

picklescan before 0.0.33 contains an incomplete deny-list that fails to block pydoc.locate and operator.methodcaller functions, allowing attackers to bypass security checks. Remote attackers can craft malicious pickle files using these unblocked functions to achieve arbitrary code execution when the pickle is deserialized.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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