CVE-2026-19244: HKUDS nanobot MCP enabledTools Scope mcp.py connect_mcp_servers access control
HKUDS · nanobot
Vendor fix available · Affected: HKUDS nanobot · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 41% of scored CVEs
DescriptionCVE.org
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".
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- HKUDS · nanobot0.2.0; 0.2.1
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- HKUDS
- Published
- August 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-19244 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.
References
- NVD entrynvd.nist.gov
- CVE recordcve.org
- Weakness CWE-266cwe.mitre.org
- Issue trackergithub.com
- Patchgithub.com
- Technical descriptionvuldb.com
- vuldb.com/vuln/386998/ctivuldb.com
- Third-party advisoryvuldb.com
- Third-party advisoryvuldb.com
- Third-party advisoryvuldb.com
- Issue trackergithub.com
- Exploitgist.github.com
- github.com/HKUDS/nanobotgithub.com