CVE-2025-71320
picklescan - Remote Code Execution via Incomplete Disallowed Inputs
- State
- Published
- Severity
- 9.3 Critical
- Published
- Jun 17, 2026
- Updated
- Jun 17, 2026
- Reserved
- Jun 8, 2026
Description
picklescan before 0.0.33 contains an incomplete deny-list that fails to block pydoc.locate and operator.methodcaller functions, allowing attackers to bypass security checks. Remote attackers can craft malicious pickle files using these unblocked functions to achieve arbitrary code execution when the pickle is deserialized.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-184 Incomplete List of Disallowed Inputs
Affected Products
| Product | Versions |
|---|---|
picklescanpicklescan |
|
References
- GHSA Advisory GHSA-84r2-jw7c-4r5qvendor-advisory
- VulnCheck Advisory: picklescan - Remote Code Execution via Incomplete Disallowed Inputsthird-party-advisory
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