CVE-2025-71320
CRITICALpicklescan - Remote Code Execution via Incomplete Disallowed Inputs
Title source: cnaDescription
picklescan before 0.0.33 contains an incomplete deny-list that fails to block pydoc.locate and operator.methodcaller functions, allowing attackers to bypass security checks. Remote attackers can craft malicious pickle files using these unblocked functions to achieve arbitrary code execution when the pickle is deserialized.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GHSA Advisory GHSA-84r2-jw7c-4r5q
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-84r2-jw7c-4r5q
Third Party Advisory third-party-advisory
VulnCheck Advisory: picklescan - Remote Code Execution via Incomplete Disallowed Inputs
https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-incomplete-disallowed-inputs
Scores
CVSS v3
9.8
EPSS
0.0062
EPSS Percentile
45.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-184
Status
published
Products (3)
picklescan/picklescan
< 0.0.33
picklescan/picklescan
0.0.33
pypi/picklescan
0 - 0.0.33PyPI
Published
Jun 17, 2026
Tracked Since
Jun 17, 2026