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TI-2026-15707 Aliases CVE-2026-19244GHSA-qwp6-wxvx-2jc8

HKUDS nanobot MCP enabledTools Scope mcp.py connect_mcp_servers access control

Priority MEDIUM 56CWE-266Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Privilege escalation, Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-284.

Summary

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".

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00475 41st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed nanobot (HKUDS): 0.3.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
HKUDSnanobot0.2.0; 0.2.10.3.0Patch availableCNA
  • nanobot VendorHKUDS Affected 0.2.0; 0.2.1 Fixed in 0.3.0 Patch available CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:nanobot:nanobot:*:*:*:*:*:*:*:*——Nanobot
  • cpe:2.3:a:nanobot:nanobot:*:*:*:*:*:*:*:* Versions — — ·Nanobot

Remediation

  • Fix · CNA nanobot (HKUDS) Fixed in 0.3.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-19244
  2. 2026-10-03 Alias added: GHSA-qwp6-wxvx-2jc8

References

  • TI-2026-44237 LightRAG: Missing Authentication for Critical API Functions in Default Configuration CVSS 3.1CRITICAL 9.8
  • TI-2026-78721 Missing authentication in HKUDS Vibe-Trading FastAPI server enables RCE CVSS 4.0CRITICAL 9.3
  • TI-2026-44184 Improper authentication in HKUDS LightRAG CVSS 4.0CRITICAL 9.3
  • TI-2026-26034 Zero-Click Indirect Prompt Injection and Authentication Bypass via Email Polling CVSS 4.0HIGH 8.9
  • TI-2026-62432 HKUDS nanobot before 0.3.0 Server-Side Request Forgery via WebFetchTool CVSS 4.0CRITICAL 9.2
  • TI-2026-25310 DeepCode 1.2.0 Path Traversal via SPA Catch-All Route in main.py CVSS 4.0HIGH 8.7
See all 47 →

Sources