CVE-2026-90808: Incomplete Blacklist in HKUDS nanobot
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.
AI Analysis
Technical Summary
This vulnerability in HKUDS nanobot (versions 0.2.0 and 0.2.1) involves incomplete blacklist enforcement in the ExecTool._guard_command and ExecTool._spawn functions within the ExecTool component. The flaw allows remote attackers to bypass blacklist restrictions, potentially enabling unauthorized command execution. The issue is addressed by applying the patch referenced by commit af582246f141311d574551b7571a517bcc3df750.
Potential Impact
The incomplete blacklist in the affected functions could allow remote attackers to initiate commands that should be blocked, potentially leading to unauthorized actions within the nanobot environment. The CVSS 4.0 score of 5.3 indicates a medium impact with network attack vector, low complexity, no user interaction, and limited confidentiality, integrity, and availability impacts.
Mitigation Recommendations
A patch is available and recommended to fix this vulnerability, identified by commit af582246f141311d574551b7571a517bcc3df750. Users should apply this patch to versions 0.2.0 and 0.2.1 of HKUDS nanobot to remediate the issue.
CVE-2026-90808: Incomplete Blacklist in HKUDS nanobot
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.
CVSS v4.0
Score 5.3medium
Affected software
HKUDS
nanobot
cpe:2.3:a:nanobot:nanobot:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in HKUDS nanobot (versions 0.2.0 and 0.2.1) involves incomplete blacklist enforcement in the ExecTool._guard_command and ExecTool._spawn functions within the ExecTool component. The flaw allows remote attackers to bypass blacklist restrictions, potentially enabling unauthorized command execution. The issue is addressed by applying the patch referenced by commit af582246f141311d574551b7571a517bcc3df750.
Potential Impact
The incomplete blacklist in the affected functions could allow remote attackers to initiate commands that should be blocked, potentially leading to unauthorized actions within the nanobot environment. The CVSS 4.0 score of 5.3 indicates a medium impact with network attack vector, low complexity, no user interaction, and limited confidentiality, integrity, and availability impacts.
Mitigation Recommendations
A patch is available and recommended to fix this vulnerability, identified by commit af582246f141311d574551b7571a517bcc3df750. Users should apply this patch to versions 0.2.0 and 0.2.1 of HKUDS nanobot to remediate the issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-13T16:10:33.299Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa83dab55bf5e2cf57193e1
Added to database: 09/14/2026, 18:32:11 UTC
Last enriched: 09/14/2026, 18:47:02 UTC
Last updated: 09/14/2026, 19:17:19 UTC
Views: 4
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