PYSEC-2026-246

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/picklescan/PYSEC-2026-246.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2026-246
Aliases
Published
2026-06-21T14:16:23.017Z
Modified
2026-06-27T11:15:05.162863282Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
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.

References

Affected packages

PyPI / picklescan

Package

Name
picklescan
View open source insights on deps.dev
Purl
pkg:pypi/picklescan

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.0.30

Affected versions

0.*
0.0.1
0.0.2
0.0.3
0.0.4
0.0.5
0.0.6
0.0.7
0.0.8
0.0.9
0.0.10
0.0.11
0.0.12
0.0.13
0.0.14
0.0.15
0.0.16
0.0.17
0.0.18
0.0.19
0.0.20
0.0.21
0.0.22
0.0.23
0.0.24
0.0.25
0.0.26
0.0.27
0.0.28
0.0.29

Database specific

source 
"https://github.com/pypa/advisory-database/blob/main/vulns/picklescan/PYSEC-2026-246.yaml"