CVE-2026-53874
picklescan - Arbitrary Code Execution via Obfuscated eval Call
- State
- Published
- Severity
- 9.3 Critical
- Published
- Jun 17, 2026
- Updated
- Jun 23, 2026
- Reserved
- Jun 10, 2026
Description
picklescan before 1.0.1 contains an unsafe deserialization vulnerability allowing unauthenticated users to execute arbitrary code by hiding eval calls nested under callable objects via getattr. Attackers can embed malicious code in pickle files that evades detection but executes when the pickle is loaded from untrusted sources.
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-502 Deserialization of Untrusted Data
Affected Products
| Product | Versions |
|---|---|
picklescanpicklescan |
|
References
- GHSA Advisory GHSA-9m3x-qqw2-h32hvendor-advisory
- VulnCheck Advisory: picklescan - Arbitrary Code Execution via Obfuscated eval Callthird-party-advisory
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