CVE-2026-3490
CRITICAL EPSS 45.4%
Published Jun 17, 20262w ago · Modified Jun 18, 20262w ago
10.0 CVSS 4.0
Published Jun 17, 2026 2w ago
Last Modified Jun 18, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
45.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-183
References 2
- github.com https://github.com/mmaitre314/picklescan/security/advisories/GHSA-vvpj-8cmc-gx39
- vulncheck.com https://www.vulncheck.com/advisories/picklescan-universal-blocklist-bypass-via-pkgutil-resolve-name
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.