A vulnerability was determined in HKUDS nanobot up to 0.2.1. (CVE-2026-90808)
A vulnerability exists in HKUDS nanobot up to version 0.2.1 affecting the ExecTool component's functions _guard_command and _spawn in the nanobot/agent/tools/shell.py file. This flaw causes an incomplete blacklist, allowing potential remote attacks. A patch identified by commit af582246f141311d574551b7571a517bcc3df750 is recommended to fix the issue. The vulnerability has a medium severity with a CVSS score of 6.3.
AI Analysis
Technical Summary
CVE-2026-90808 describes a vulnerability in HKUDS nanobot versions up to 0.2.1, specifically in the ExecTool component's ExecTool._guard_command and ExecTool._spawn functions within nanobot/agent/tools/shell.py. The vulnerability results in an incomplete blacklist implementation, which can be exploited remotely. The issue is addressed by applying a patch identified as af582246f141311d574551b7571a517bcc3df750. The CVSS v3.1 base score is 6.3, indicating a medium severity level with network attack vector, low attack complexity, low privileges required, no user interaction, and impacts on confidentiality, integrity, and availability.
Potential Impact
The vulnerability allows remote attackers to bypass blacklist protections in the affected functions, potentially leading to unauthorized command execution or spawning processes. This can result in partial compromise of confidentiality, integrity, and availability of the system running the affected software.
Mitigation Recommendations
Applying the patch identified by commit af582246f141311d574551b7571a517bcc3df750 is the recommended remediation to fix this vulnerability. No vendor advisory was provided to indicate alternative mitigations or if the issue is already mitigated. Therefore, users should apply the patch promptly to address the incomplete blacklist issue.
A vulnerability was determined in HKUDS nanobot up to 0.2.1. (CVE-2026-90808)
Description
A vulnerability exists in HKUDS nanobot up to version 0.2.1 affecting the ExecTool component's functions _guard_command and _spawn in the nanobot/agent/tools/shell.py file. This flaw causes an incomplete blacklist, allowing potential remote attacks. A patch identified by commit af582246f141311d574551b7571a517bcc3df750 is recommended to fix the issue. The vulnerability has a medium severity with a CVSS score of 6.3.
CVSS v3.1
Score 6.3medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-90808 describes a vulnerability in HKUDS nanobot versions up to 0.2.1, specifically in the ExecTool component's ExecTool._guard_command and ExecTool._spawn functions within nanobot/agent/tools/shell.py. The vulnerability results in an incomplete blacklist implementation, which can be exploited remotely. The issue is addressed by applying a patch identified as af582246f141311d574551b7571a517bcc3df750. The CVSS v3.1 base score is 6.3, indicating a medium severity level with network attack vector, low attack complexity, low privileges required, no user interaction, and impacts on confidentiality, integrity, and availability.
Potential Impact
The vulnerability allows remote attackers to bypass blacklist protections in the affected functions, potentially leading to unauthorized command execution or spawning processes. This can result in partial compromise of confidentiality, integrity, and availability of the system running the affected software.
Mitigation Recommendations
Applying the patch identified by commit af582246f141311d574551b7571a517bcc3df750 is the recommended remediation to fix this vulnerability. No vendor advisory was provided to indicate alternative mitigations or if the issue is already mitigated. Therefore, users should apply the patch promptly to address the incomplete blacklist issue.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-vwc9-2889-5p3f
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-90808"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa8a1ca55bf5e2cf5f3e8ff
Added to database: 09/15/2026, 01:39:22 UTC
Last enriched: 09/15/2026, 02:00:43 UTC
Last updated: 09/15/2026, 05:01:23 UTC
Views: 3
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