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Advisory record · GHSA-955r-x9j8-7rhh

Picklescan is vulnerable to RCE via missing detection when calling built-in python _operator.methodcaller

CVSS 7.6 HighEPSS 0.0046 · 40th percentile

Published by the GitHub Advisory Database at 30 Dec 2025, 15:22 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
picklescanPyPI<0.0.340.0.34
Identifiers
GHSA-955r-x9j8-7rhh · CVE-2025-71375
Weakness (CWE)
CWE-94 · CWE-502
Tags
Published
30 Dec 2025
Updated
8 Jul 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Picklescan versions before 0.0.34 fail to detect malicious pickle files that call _operator.methodcaller, so a crafted file passes the scan as safe. An attacker who gets a victim to load such a pickle file, for example a PyTorch model, can achieve remote code execution when pickle.load() runs. Upgrade to picklescan 0.0.34 or later.

Written 6 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.6 High 4.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0046, the 40th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:05 UTC First seen by agentprime
  2. 31 Oct 2026, 15:05 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.