Vulnerability · Published Jun 17, 2026 · Assigned by VulnCheck
CVE-2025-71322PickleScan - Unsafe Globals Check Bypass via pty.spawn Function
High 8.8
In plain English
A high-severity security flaw in PickleScan from PickleScan. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 67.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | picklescan | 0.0.33 | GHSA-hgrh-qx5j-jfwx |
| PyPI | picklescan | 0.0.33 | PYSEC-2026-1790 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PickleScan | PickleScan | 0 – before 0.0.33 |
Weakness: CWE-693 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- GHSA Advisory GHSA-hgrh-qx5j-jfwx vendor-advisory
- VulnCheck Advisory: PickleScan - Unsafe Globals Check Bypass via pty.spawn Function third-party-advisory