HIGH7.8

PYSEC-2026-246

Quick fix

PYSEC-2026-246 — picklescan: upgrade to the fixed version with the command below.

pip install --upgrade 'picklescan>=0.0.30'

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?

Enter the version of the package you're using.

Affected packages

PyPI/picklescan

Introduced in: 0Fixed in: 0.0.30

Fixpip 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]