CVE Feed

    Dashboard / CVE / CVE-2026-90809

    CVE-2026-90809

    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.

    Published:Sep 14, 2026
    Last Modified:Sep 15, 2026
    EPS:Sep 14, 2026
    EPSS Score:0.00326
    CVSS Score:7.3

    Affected Products

    Vendor
    Hkuds
    Product
    Nanobot
    Vendor
    Nanobot
    Product
    Nanobot

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-101 Server Side Include (SSI) Injection
    CAPEC-105 HTTP Request Splitting
    CAPEC-108 Command Line Execution through SQL Injection
    CAPEC-120 Double Encoding
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-135 Format String Injection
    CAPEC-137 Parameter Injection
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-174 Flash Parameter Injection
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-250 XML Injection
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-273 HTTP Response Smuggling
    CAPEC-28 Fuzzing
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-34 HTTP Response Splitting
    CAPEC-41 Using Meta-characters in E-mail Headers to Inject Malicious Payloads
    CAPEC-42 MIME Conversion
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-460 HTTP Parameter Pollution (HPP)
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-51 Poison Web Service Registry
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-6 Argument Injection
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-72 URL Encoding
    CAPEC-76 Manipulating Web Input to File System Calls
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic
    CAPEC-83 XPath Injection
    CAPEC-84 XQuery Injection
    CAPEC-88 OS Command Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities

    Related CVEs

    CVE-2026-19245 (CVSS 1.9) — A flaw has been found in HKUDS nanobot up to 0.2.1. The impacted element is the function ExecTool._prepare_com…
    CVE-2026-19243 (CVSS 2.1) — A security vulnerability has been detected in HKUDS nanobot up to 0.2.1. Impacted is the function ExecTool._gu…
    CVE-2026-48716 (CVSS 8.7) — nanobot is a personal AI assistant. In versions 0.1.5.post3 and prior, the WhatsApp bridge in bridge/src/whats…
    CVE-2026-49140 (CVSS 5.3) — Nanobot prior to version 0.2.1 contains a denial of service vulnerability in the Matrix channel media download…
    CVE-2026-49139 (CVSS 7) — Nanobot prior to version 0.2.1 contains a server-side request forgery vulnerability in the Microsoft Teams cha…
    CVE-2026-49138 (CVSS 5.3) — Nanobot prior to version 0.2.1 contains a server-side request forgery vulnerability in the web_fetch tool that…
    CVE-2026-35589 (CVSS 8) — nanobot is a personal AI assistant. Versions prior to 0.1.5 contain a Cross-Site WebSocket Hijacking (CSWSH) v…
    CVE-2026-33654 (CVSS 8.9) — nanobot is a personal AI assistant. Prior to version 0.1.6, an indirect prompt injection vulnerability exists …
    CVE-2026-2577 (CVSS 10) — The WhatsApp bridge component in Nanobot binds the WebSocket server to all network interfaces (0.0.0.0) on por…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High