๐Ÿ” CVE Alert

CVE-2026-19244

MEDIUM 4.7

HKUDS nanobot MCP enabledTools Scope mcp.py connect_mcp_servers access control

CVSS Score
4.7
EPSS Score
0.0%
EPSS Percentile
0th

A vulnerability was detected in HKUDS nanobot up to 0.2.1. The affected element is the function connect_mcp_servers of the file nanobot/agent/tools/mcp.py of the component MCP enabledTools Scope Handler. Performing a manipulation results in improper access controls. The attack is possible to be carried out remotely. The exploit is now public and may be used. Upgrading to version 0.3.0 is sufficient to fix this issue. The patch is named 4436. You should upgrade the affected component. Multiple issues were reported to the project. They reacted with a high level of professionalism and kindness: "Both reports describe the same root cause: MCP resource and prompt wrappers could be registered outside the intended enabledTools scope. The registration boundary was corrected".

CWE CWE-284 CWE-266
Vendor hkuds
Product nanobot
Published Aug 7, 2026
Last Updated Aug 7, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

HKUDS / nanobot
0.2.0 0.2.1

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
vuldb.com: https://vuldb.com/vuln/386998 vuldb.com: https://vuldb.com/vuln/386998/cti vuldb.com: https://vuldb.com/cve/CVE-2026-19244 vuldb.com: https://vuldb.com/submit/865116 vuldb.com: https://vuldb.com/submit/865118 github.com: https://github.com/HKUDS/nanobot/issues/4435 gist.github.com: https://gist.github.com/YLChen-007/3de5f50d167a878f7530f57ed018d508 github.com: https://github.com/HKUDS/nanobot/pull/4436 github.com: https://github.com/HKUDS/nanobot/releases/tag/v0.3.0 github.com: https://github.com/HKUDS/nanobot/

Credits

๐Ÿ” Eric-c (VulDB User) VulDB CNA Team