CVE-2025-71375

HIGH

picklescan - Undetected Remote Code Execution via _operator.methodcaller

Title source: cna
STIX 2.1

Description

picklescan before 0.0.34 fails to detect the _operator.methodcaller built-in function when scanning pickle files for malicious code. Attackers can craft malicious pickle payloads using _operator.methodcaller that evade detection and execute arbitrary code when loaded by pickle.load().

References (2)

Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-955r-x9j8-7rhh)
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-955r-x9j8-7rhh
Third Party Advisory third-party-advisory
VulnCheck Advisory: picklescan - Undetected Remote Code Execution via _operator.methodcaller
https://www.vulncheck.com/advisories/picklescan-undetected-remote-code-execution-via-operator-methodcaller

Scores

CVSS v3 8.1
EPSS 0.0037
EPSS Percentile 29.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-502
Status published
Products (2)
picklescan/picklescan < 0.0.34
picklescan/picklescan 0.0.34
Published Jul 04, 2026
Tracked Since Jul 04, 2026