SEPTEMBER 17, 2026
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Case File

CVE-2026-90809

HIGH · CVSS 7.3 EPSS 0.33% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-14 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

A vulnerability exists in the ExecTool component of F5's HKUDS nanobot, specifically in the ExecTool._guard_command and ExecTool._spawn functions, allowing for remote argument injection. This could enable attackers to execute arbitrary commands on affected systems, potentially compromising their integrity and confidentiality. Organizations using affected versions of the HKUDS nanobot should prioritize applying the provided patch to mitigate this high-severity risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-90809
Severity
HIGH
CVSS
7.3
EPSS
0.33%
F5

Original NVD Description

A vulnerability was identified in HKUDS nanobot up to 0.2.1. The affected element is the function ExecTool._guard_command/ExecTool._spawn of the file nanobot/agent/tools/shell.py of the component ExecTool. Such manipulation leads to argument injection. It is possible to launch the attack remotely. The name of the patch is af582246f141311d574551b7571a517bcc3df750. It is best practice to apply a patch to resolve this issue.