CVE-2025-71325
picklescan - Detection Bypass via STACK_GLOBAL Opcode Parsing Logic Flaw
- State
- Published
- Severity
- 9.3 Critical
- Published
- Jun 17, 2026
- Updated
- Jun 17, 2026
- Reserved
- Jun 8, 2026
Description
picklescan before 0.0.27 contains a parsing logic error in the _list_globals function when handling STACK_GLOBAL opcodes, failing to track arguments in the correct range and allowing malicious pickle files to bypass detection. Attackers can craft pickle files with arguments at position zero to trigger unexpected exceptions and evade security scanning.
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-391 Unchecked Error Condition
Affected Products
| Product | Versions |
|---|---|
picklescanpicklescan |
|
References
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