PickleScan before 0.0.33 fails to include the pty.spawn function in its unsafe globals list, allowing attackers to bypass security checks. Malicious actors can craft pickle payloads using pty.spawn to achieve arbitrary code execution when files are processed by PickleScan.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00384.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
PickleScan PickleScan unaffected
Version Status Constraints
0 affected < 0.0.33
0.0.33 unaffected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Mmaitre314 Subscribe
Picklescan Subscribe
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-hgrh-qx5j-jfwx Picklescan Bypasses Unsafe Globals Check using pty.spawn
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-hgrh-qx5j-jfwx cve-icon cve-icon
https://www.vulncheck.com/advisories/picklescan-unsafe-globals-check-bypass-via-pty-spawn-function cve-icon
History

Thu, 18 Jun 2026 16:45:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 18 Jun 2026 04:45:00 +0000

Type Values Removed Values Added
Description PickleScan before 0.0.33 fails to include the pty.spawn function in its unsafe globals list, allowing attackers to bypass security checks. Malicious actors can craft pickle payloads using pty.spawn to achieve arbitrary code execution when files are processed by PickleScan.
Title PickleScan - Unsafe Globals Check Bypass via pty.spawn Function
First Time appeared Mmaitre314
Mmaitre314 picklescan
Weaknesses CWE-693
CPEs cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:*
Vendors & Products Mmaitre314
Mmaitre314 picklescan
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-06-18T15:19:25.962Z

Reserved: 2026-06-08T20:44:31.209Z

Link: CVE-2025-71322

cve-icon Vulnrichment

Updated: 2026-06-18T15:18:59.563Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses