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TI-2026-14326 Aliases CVE-2026-17433GHSA-6frr-4xvp-cwch

nanocoai NanoClaw MCP Server Approval chat-sdk-bridge.ts createChatSdkBridge.setup improper authorization

Priority MEDIUM 55CWE-266Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Privilege escalation, Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-285.

Summary

A vulnerability was detected in nanocoai NanoClaw up to 2.0.64. This impacts the function createChatSdkBridge.setup of the file src/channels/chat-sdk-bridge.ts of the component MCP Server Approval. Performing a manipulation results in improper authorization. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00146 3rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

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
nanocoaiNanoClaw2.0.0; 2.0.1; 2.0.2; 2.0.3; 2.0.4; 2.0.5; 2.0.6; 2.0.7; 2.0.8; 2.0.9; 2.0.10; 2.0.11; 2.0.12; 2.0.13; 2.0.14; 2.0.15; 2.0.16; 2.0.17; 2.0.18; 2.0.19; 2.0.20; 2.0.21; 2.0.22; 2.0.23; 2.0.24; 2.0.25; 2.0.26; 2.0.27; 2.0.28; 2.0.29; 2.0.30; 2.0.31; 2.0.32; 2.0.33; 2.0.34; 2.0.35; 2.0.36; 2.0.37; 2.0.38; 2.0.39; 2.0.40; 2.0.41; 2.0.42; 2.0.43; 2.0.44; 2.0.45; 2.0.46; 2.0.47; 2.0.48; 2.0.49; 2.0.50; 2.0.51; 2.0.52; 2.0.53; 2.0.54; 2.0.55; 2.0.56; 2.0.57; 2.0.58; 2.0.59; 2.0.60; 2.0.61; 2.0.62; 2.0.63; 2.0.64—No fix listedCNA
  • NanoClaw Vendornanocoai Affected 2.0.0; 2.0.1; 2.0.2; 2.0.3; 2.0.4; 2.0.5; 2.0.6; 2.0.7; 2.0.8; 2.0.9; 2.0.10; 2.0.11; 2.0.12; 2.0.13; 2.0.14; 2.0.15; 2.0.16; 2.0.17; 2.0.18; 2.0.19; 2.0.20; 2.0.21; 2.0.22; 2.0.23; 2.0.24; 2.0.25; 2.0.26; 2.0.27; 2.0.28; 2.0.29; 2.0.30; 2.0.31; 2.0.32; 2.0.33; 2.0.34; 2.0.35; 2.0.36; 2.0.37; 2.0.38; 2.0.39; 2.0.40; 2.0.41; 2.0.42; 2.0.43; 2.0.44; 2.0.45; 2.0.46; 2.0.47; 2.0.48; 2.0.49; 2.0.50; 2.0.51; 2.0.52; 2.0.53; 2.0.54; 2.0.55; 2.0.56; 2.0.57; 2.0.58; 2.0.59; 2.0.60; 2.0.61; 2.0.62; 2.0.63; 2.0.64 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:nanocoai:nanoclaw:*:*:*:*:*:*:*:*——nanocoai
  • cpe:2.3:a:nanocoai:nanoclaw:*:*:*:*:*:*:*:* Versions — — ·nanocoai

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-17433
  2. 2026-10-03 Alias added: GHSA-6frr-4xvp-cwch

References

  • TI-2026-15518 nanocoai NanoClaw send_file core.ts path traversal CVSS 4.0MEDIUM 6.9
  • TI-2026-40760 NanoClaw < 2.1.17 - Privilege Escalation via Unverified Approval Response Handler CVSS 4.0HIGH 7.1
  • TI-2026-61710 nanocoai NanoClaw Attachment agent-route.ts forwardAttachedFiles link following CVSS 4.0MEDIUM 5.3
  • TI-2026-15531 nanocoai NanoClaw Child-Agent Creation create-agent.ts handleCreateAgent privileges management CVSS 4.0MEDIUM 5.3
  • TI-2026-14327 nanocoai NanoClaw add_mcp_server request.ts handleAddMcpServer improper authorization CVSS 4.0MEDIUM 5.3
  • TI-2026-40873 NanoClaw < 2.1.17 - Privilege Escalation via Unauthorized create_agent System Action CVSS 4.0MEDIUM 6.8
See all 8 →

Sources