PySpector CVE-2026-41206

| EUVD-2026-25160 MEDIUM
Incomplete List of Disallowed Inputs (CWE-184)
2026-04-23 GitHub_M
RCE Python
6.9
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/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
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
A
Scope
X

Lifecycle Timeline

3
Analysis Generated
Apr 23, 2026 - 07:02 vuln.today
Patch available
Apr 23, 2026 - 06:16 EUVD
CVSS changed
Apr 23, 2026 - 02:35 NVD
6.9 (MEDIUM)

DescriptionNVD

PySpector is a static analysis security testing (SAST) Framework engineered for modern Python development workflows. The plugin security validator in PySpector uses AST-based static analysis to prevent dangerous code from being loaded as plugins. Prior to version 0.1.8, the blocklist implemented in PluginSecurity.validate_plugin_code is incomplete and can be bypassed using several Python constructs that are not checked. An attacker who can supply a plugin file can achieve arbitrary code execution within the PySpector process when that plugin is installed and executed. Version 0.1.8 fixes the issue.

AnalysisAI

PySpector versions prior to 0.1.8 allow arbitrary code execution within the PySpector process when a malicious plugin is supplied and executed. The plugin security validator uses incomplete AST-based static analysis that fails to block dangerous Python constructs, permitting attackers with write access to plugin files to bypass the blocklist and achieve remote code execution. …

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CVE-2026-41206 vulnerability details – vuln.today
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