CVE-2026-3490
10
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Summary
picklescan before 1.0.4 fails to block pkgutil.resolve_name, allowing attackers to bypass the entire blocklist by resolving any dangerous function through indirect REDUCE calls. Remote attackers can invoke any blocked function such as os.system, builtins.exec, or subprocess.call to achieve remote code execution.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| picklescan | picklescan | 0 < 1.0.4 | affected |
| picklescan | picklescan | 1.0.4 | unaffected |
Weaknesses
- CWE-183: Permissive List of Allowed Inputs
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: total
Additional References
References
- https://github.com/mmaitre314/picklescan/security/advisories/GHSA-vvpj-8cmc-gx39
- https://www.vulncheck.com/advisories/picklescan-universal-blocklist-bypass-via-pkgutil-resolve-name
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