CVE-2026-19244

See a problem?
Please try reporting it to the source first.

Source

https://cve.org/CVERecord?id=CVE-2026-19244

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-19244.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-19244

Published

2026-08-07T20:30:13.889Z

Modified

2026-08-09T03:45:56.376743837Z

Severity

2.0 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator

Summary

HKUDS nanobot MCP enabledTools Scope mcp.py connect_mcp_servers access control

Details

A vulnerability was detected in HKUDS nanobot up to 0.2.1. The affected element is the function connectmcpservers 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".

Database specific

{
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-266",
        "CWE-284"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/19xxx/CVE-2026-19244.json"
}

References

Affected packages

Git / github.com/hkuds/nanobot

Affected ranges

Type

GIT

Repo

https://github.com/hkuds/nanobot

Events

Introduced

c018c3fb6a5cedf2dcd7bbd0bf4fce5eb9b54bf7

Fixed

3f602fbc8c104b5af27aa4d3520e7dcef2fa70ec

Database specific

{
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0.2.0"
        },
        {
            "last_affected": "0.2.0"
        },
        {
            "introduced": "0.2.1"
        },
        {
            "last_affected": "0.2.1"
        }
    ]
}

Affected versions

0.*

0.2.0

0.2.1

v0.*

v0.2.0

v0.2.1

v0.2.2

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-19244.json"