PT-2026-50468 · Pypi · Picklescan

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CVE-2026-53874

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Published

2026-02-02

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Updated

2026-07-07

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions picklescan versions prior to 1.0.1
Description An unsafe deserialization issue allows unauthenticated users to execute arbitrary code on a host that loads a pickle payload from an untrusted source. This is achieved by hiding eval calls nested under callable objects using the getattr function. Attackers can embed malicious code within pickle files that evades detection by the software but executes upon loading, potentially facilitating supply chain attacks against systems loading serialized ML models, APIs, or saved Python objects.
Recommendations Update to version 1.0.1 or later.

Exploit

Fix

Deserialization of Untrusted Data

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Weakness Enumeration

Related Identifiers

CVE-2026-53874
GHSA-9M3X-QQW2-H32H
GHSA-J6C9-QVP8-699F
PYSEC-2026-1789

Affected Products

Picklescan