CVE-2026-19244: Improper Access Controls in HKUDS nanobot
A vulnerability in HKUDS nanobot up to version 0.2.1 allows improper access control due to a flaw in the connect_mcp_servers function. This issue can be exploited remotely and has a public exploit available. The vulnerability is fixed by upgrading to version 0.3.0, which corrects the registration boundary of MCP resource and prompt wrappers to prevent unauthorized access.
AI Analysis
Technical Summary
CVE-2026-19244 affects the connect_mcp_servers function in the nanobot/agent/tools/mcp.py file of HKUDS nanobot up to version 0.2.1. The vulnerability arises from MCP resource and prompt wrappers being registered outside the intended enabledTools scope, leading to improper access control. This flaw allows remote attackers to manipulate access controls. The project addressed the issue by correcting the registration boundary, and upgrading to version 0.3.0 resolves the vulnerability. The exploit is publicly available, but no known exploitation in the wild has been reported.
Potential Impact
The vulnerability results in improper access controls, potentially allowing unauthorized remote access or manipulation within the affected component. The CVSS score of 4.7 indicates a low severity impact with limited confidentiality, integrity, and availability impact. No known active exploitation in the wild has been reported.
Mitigation Recommendations
Upgrade HKUDS nanobot to version 0.3.0 or later, which includes the official fix correcting the registration boundary of MCP resource and prompt wrappers. This upgrade fully mitigates the vulnerability. No additional mitigation steps are required.
CVE-2026-19244: Improper Access Controls in HKUDS nanobot
Description
A vulnerability in HKUDS nanobot up to version 0.2.1 allows improper access control due to a flaw in the connect_mcp_servers function. This issue can be exploited remotely and has a public exploit available. The vulnerability is fixed by upgrading to version 0.3.0, which corrects the registration boundary of MCP resource and prompt wrappers to prevent unauthorized access.
CVSS v4.0
Score 5.1medium
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-19244 affects the connect_mcp_servers function in the nanobot/agent/tools/mcp.py file of HKUDS nanobot up to version 0.2.1. The vulnerability arises from MCP resource and prompt wrappers being registered outside the intended enabledTools scope, leading to improper access control. This flaw allows remote attackers to manipulate access controls. The project addressed the issue by correcting the registration boundary, and upgrading to version 0.3.0 resolves the vulnerability. The exploit is publicly available, but no known exploitation in the wild has been reported.
Potential Impact
The vulnerability results in improper access controls, potentially allowing unauthorized remote access or manipulation within the affected component. The CVSS score of 4.7 indicates a low severity impact with limited confidentiality, integrity, and availability impact. No known active exploitation in the wild has been reported.
Mitigation Recommendations
Upgrade HKUDS nanobot to version 0.3.0 or later, which includes the official fix correcting the registration boundary of MCP resource and prompt wrappers. This upgrade fully mitigates the vulnerability. No additional mitigation steps are required.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-qwp6-wxvx-2jc8
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-19244"]
- Ecosystems
- []
- Database Specific Severity
- LOW
- Cvss Version
- 3.1
Threat ID: 6a774291bf8831d539b077e1
Added to database: 08/08/2026, 14:52:01 UTC
Last enriched: 08/08/2026, 15:08:10 UTC
Last updated: 08/08/2026, 18:40:59 UTC
Views: 3
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