CVE-2025-71363

picklescan - Arbitrary Code Execution via Undetected cProfile.run in Pickle Deserialization

State: Published
Severity: 7.6 High
Published: Jun 30, 2026
Updated: Jul 1, 2026
Reserved: Jun 20, 2026

Description

picklescan before 0.0.30 fails to detect cProfile.run function calls in pickle reduce methods, allowing attackers to execute arbitrary code. Remote attackers can craft malicious pickle files with cProfile.run payloads that bypass picklescan detection and achieve code execution upon deserialization.

Scores

CVSS	Score	Vector	Source
4.0	7.6 High	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	VulnCheck
3.1	8.1 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N	VulnCheck

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
picklescanpicklescan	before 0.0.30Affected 0.0.30Not affected

References

GitHub Security Advisory (GHSA-49gj-c84q-6qm9)vendor-advisory
VulnCheck Advisory: picklescan - Arbitrary Code Execution via Undetected cProfile.run in Pickle Deserializationthird-party-advisory

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