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CVE-2026-90808— HKUDS nanobot ExecTool shell.py ExecTool._spawn incomplete blacklist

Quick assessment

Affected
HKUDS nanobot
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 HKUDS nanobot（版本 up to 0.2.1）中发现了一个漏洞。受影响的是 文件中 组件的 / 函数。该问题导致黑名单机制不完整（即黑名单未完全覆盖所有危险命令）。攻击者可以远程发起攻击。补丁编号为：af582246f141311d574551b7571a517bcc3df750。建议通过应用该补丁来修复此问题。

CVSS 6.3 · Medium

Affected Version Matrix 2

VendorProduct Version RangeStatus
HKUDS nanobot 0.2.0 affected
0.2.1 affected
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I. Basic Information for CVE-2026-90808

Vulnerability Information
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Vulnerability Title
HKUDS nanobot ExecTool shell.py ExecTool._spawn incomplete blacklist
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不完整的黑名单
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
HKUDS nanobot 0.2.0 cpe:2.3:a:nanobot:nanobot:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90808

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III. Intelligence Information for CVE-2026-90808

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Patches & Fixes for CVE-2026-90808 (2)

Proof of Concept for CVE-2026-90808 (1)

Other References for CVE-2026-90808 (1)

IV. Related Vulnerabilities

Same product: nanobot
Same vendor: HKUDS
Same weakness: CWE-184

V. Comments for CVE-2026-90808

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