# CVE-2026-3490

## Summary

- **CVE ID:** CVE-2026-3490
- **Severity:** CRITICAL
- **CVSS Score:** 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)
- **CWE:** CWE-183
- **Published:** Jun 17, 2026
- **Last Modified:** Jun 20, 2026

## Description

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 Products

- picklescan — picklescan (0)
- picklescan — picklescan (1.0.4)

## References

- [CNA](https://github.com/mmaitre314/picklescan/security/advisories/GHSA-vvpj-8cmc-gx39)
- [CNA](https://www.vulncheck.com/advisories/picklescan-universal-blocklist-bypass-via-pkgutil-resolve-name)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.62%
- **EPSS Percentile:** 47.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._