CVE-2025-71352 - CVE House

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Status published High CVE-2025-71352

picklescan - Remote Code Execution via Undetected trace.Trace.runctx in Pickle Files

7.6 CVSS

Vulnerability Description

picklescan before 0.0.29 fails to detect the built-in Python trace.Trace.runctx function when used in pickle file reduce methods, allowing attackers to execute arbitrary code. Remote attackers can craft malicious pickle files with trace.Trace.runctx payloads that bypass picklescan detection and execute code upon pickle.load() invocation.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

FredericDT

References

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Affected Vendor

picklescan

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Affected Software

picklescan

Vulnerable Versions:

0, 0.0.29

Timeline

Official Publish: June 30th, 2026

Last Modified: July 1st, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1562 Impair Defenses

Defense Evasion

T1190 Exploit Public-Facing Application

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1550 Use Alternate Authentication Material

Defense Evasion

T1485 Data Destruction