CVE-2025-71364

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

Published Jul 4, 2026 CVSS 4.0 · 7.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Picklescan
Picklescan picklescan
Vendors & Products Picklescan
Picklescan picklescan
Type Values Removed Values Added
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.
Title picklescan - Arbitrary Code Execution via Undetected asyncio.unix_events._UnixSubprocessTransport._start
First Time appeared Mmaitre314
Mmaitre314 picklescan
Weaknesses CWE-502
CPEs cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:*
Vendors & Products Mmaitre314
Mmaitre314 picklescan
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 7.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 7, 2026, 4:58 PM
Reserved
Jun 20, 2026, 1:01 PM
Status
Deferred
Published
Jul 4, 2026, 2:16 AM
Modified
Oct 12, 2026, 7:10 PM