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CVE-2026-84811

agentverus-scanner Companion Code Analysis Bypass via Excluded Python Bytecode

CVSS 4.0 7.1 HIGHCVSS 3.1 6.5 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-84811

Published

agentverus-scanner fails to analyze compiled Python bytecode files in companion code directories, allowing attackers to bypass security scanning by shipping malicious __pycache__ entries alongside benign source files. Attackers can execute arbitrary Python bytecode on import while the scanner reports a CERTIFIED verdict with high trust scores in both static and semantic analysis modes.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-84811

Published

agentverus-scanner

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "agentverus",
                    "product": "agentverus-scanner",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/agentverus-scanner",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "0.8.1"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON