HIGH 7.8

PYSEC-2026-246

Details

picklescan before 0.0.30 fails to detect malicious pickle files using idlelib.pyshell.ModifiedInterpreter.runcommand in reduce methods. Attackers can embed undetected code in pickle files that executes remote commands when loaded by victims.

Are you affected?

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Affected packages

PyPI / picklescan

Introduced in: 0 Fixed in: 0.0.30

Fix pip install --upgrade 'picklescan>=0.0.30'

References

https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-idlelib-pyshell-modifiedinterpreter-runcommand [ADVISORY]
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-j343-8v2j-ff7w [EVIDENCE]