CVE-2025-71364

HIGH

picklescan - Arbitrary Code Execution via Undetected asyncio.unix_events._UnixSubprocessTransport._start

Title source: cna
STIX 2.1

Description

picklescan before 0.0.30 fails to detect the asyncio.unix_events._UnixSubprocessTransport._start function in pickle reduce methods, allowing remote code execution. Attackers can craft malicious pickle files embedding this built-in function that evade detection but execute arbitrary commands when loaded.

References (2)

Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-q77w-mwjj-7mqx)
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-q77w-mwjj-7mqx
Third Party Advisory third-party-advisory
VulnCheck Advisory: picklescan - Arbitrary Code Execution via Undetected asyncio.unix_events._UnixSubprocessTransport._start
https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-asyncio-unix-events-unixsubprocesstransport-start

Scores

CVSS v3 8.1
EPSS 0.0056
EPSS Percentile 43.1%
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 < 0.0.30
picklescan/picklescan 0.0.30
Published Jul 04, 2026
Tracked Since Jul 04, 2026