CVE-2025-71357CWE-502insecure-deserialization

CVE-2025-71357

High · published June 21, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
32.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00392 · 32.2th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-06-21T18:16Z
Affected products (1)
ProductVersionsFixed in
mmaitre314/picklescan< 0.0.300.0.30
References (3)
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-j343-8v2j-ff7w · [email protected]https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-idlelib-pyshell-modifiedinterpreter-runcommand · [email protected]https://github.com/mmaitre314/picklescan/security/advisories/GHSA-j343-8v2j-ff7w · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 21 JUN 13:26Z
    picklescan - Arbitrary Code Execution via Undetected idlelib.pyshell.ModifiedInterpreter.runcommand
    cvelistv5