CVE-2025-71359
7.6
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Summary
picklescan before 0.0.29 fails to detect malicious pickle payloads that utilize lib2to3.pgen2.grammar.Grammar.loads in the reduce method, allowing remote code execution. Attackers can craft pickle files embedding dangerous code that evades picklescan detection and executes during pickle.load() deserialization.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| picklescan | picklescan | 0 < 0.0.29 | affected |
| picklescan | picklescan | 0.0.29 | unaffected |
Weaknesses
- CWE-502: Deserialization of Untrusted Data
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: total
Additional References
References
- https://github.com/mmaitre314/picklescan/security/advisories/GHSA-f54q-57x4-jg88
- https://www.vulncheck.com/advisories/picklescan-unsafe-deserialization-via-lib2to3-pgen2-grammar-grammar-loads
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