CVE-2026-84811agentverus-scanner Companion Code Analysis Bypass via Excluded Python Bytecode
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- Weakness (CWE)
- CWE-693
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
agentverus agentverus-scanner agentverus:scanner (from the name) | through 0.8.1 | CNA record |
References
- https://github.com/agentverus/agentverus-scanner/issues/27issue-tracking
- https://github.com/agentverus/agentverus-scanner/blob/v0.8.1/src/scanner/companion-code.tstechnical-description
- https://github.com/agentverus/agentverus-scanner/blob/v0.8.1/src/scanner/analyzers/semantic.tstechnical-description
- https://github.com/agentverus/agentverus-scannerproduct
- https://www.vulncheck.com/advisories/agentverus-scanner-companion-code-analysis-bypass-via-excluded-python-bytecodethird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.