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CVE-2026-19244

4.7 · MEDIUM

A vulnerability was detected in HKUDS nanobot up to 0.2.1.

Published Aug 7, 2026CWE-266EPSS 0.47%

Overview

CVE-2026-19244 is a medium-severity vulnerability. It was published on August 7, 2026 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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".

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgist.github.com/YLChen-007/3de5f50d167a878f7530f57ed018d508GitHubgithub.com/HKUDS/nanobot/GitHubgithub.com/HKUDS/nanobot/issues/4435GitHubgithub.com/HKUDS/nanobot/pull/4436GitHubgithub.com/HKUDS/nanobot/releases/tag/v0.3.0Refvuldb.com/cve/CVE-2026-19244Refvuldb.com/submit/865116Refvuldb.com/submit/865118Refvuldb.com/vuln/386998Refvuldb.com/vuln/386998/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-19244?

CVE-2026-19244 is a medium-severity vulnerability. It was published on August 7, 2026 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2026-19244?

This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-19244?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-19244?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-19244 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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