SEPTEMBER 17, 2026
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Case File

CVE-2026-90808

MEDIUM · CVSS 6.3 EPSS 0.29% 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, due to an incomplete blacklist. This flaw allows for remote command execution, potentially compromising the system's integrity. Organizations using affected versions of the HKUDS nanobot should prioritize applying the provided patch to mitigate the risk.

Public Exploit Signal

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

GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗ github.com ↗

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

CVE
CVE-2026-90808
Severity
MEDIUM
CVSS
6.3
EPSS
0.29%
F5

Original NVD Description

A vulnerability was determined in HKUDS nanobot up to 0.2.1. Impacted is the function ExecTool._guard_command/ExecTool._spawn of the file nanobot/agent/tools/shell.py of the component ExecTool. This manipulation causes incomplete blacklist. It is possible to initiate the attack remotely. Patch name: af582246f141311d574551b7571a517bcc3df750. Applying a patch is the recommended action to fix this issue.