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PatchSiren cyber security CVE debrief

CVE-2026-46701 Jovancoding CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-20T17:17:09.990Z and has not been modified since then. The NVD entry is currently Analyzed. Network-AI is a TypeScript/Node.js multi-agent orchestrator. Prior to version 5.4.5, the MCP SSE server defaults to an empty secret, allowing unauthorized access and enabling an attacker to invoke exposed MCP tools. This issue can be mitigated by upgrading to version 5.4.5 or later and implementing proper authentication and authorization mechanisms. Network-AI users, administrators, and security teams should be aware of this vulnerability and take necessary actions to upgrade and secure their systems. They should also review their configurations, monitor for suspicious activity, and implement compensating controls as needed. Evidence limits suggest that defenders verify Network-AI configurations, especially the MCP SSE server secret setup, and monitor for suspicious activity related to exposed MCP tools.

Vendor
Jovancoding
Product
Network-AI
CVSS
HIGH 7.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-20
Original CVE updated
2026-08-13
Advisory published
2026-07-20
Advisory updated
2026-08-13

Who should care

Network-AI users, administrators, and security teams should be aware of this vulnerability and take necessary actions to upgrade and secure their systems. They should also review their configurations, monitor for suspicious activity, and implement compensating controls as needed.

Technical summary

CVE-2026-46701 is a HIGH severity vulnerability in Network-AI versions prior to 5.4.5. The MCP SSE server defaults to an empty secret, allowing unauthorized access and enabling an attacker to invoke exposed MCP tools. This issue can be mitigated by upgrading to version 5.4.5 or later and implementing proper authentication and authorization mechanisms. The vulnerability allows an unauthenticated attacker who can lure a user to a malicious web page to invoke all 22 exposed MCP tools — including config_set, agent_spawn, and blackboard_write — against a default-configured localhost server. An unauthenticated attacker can exploit this vulnerability to gain unauthorized access to the MCP SSE server, potentially leading to security breaches. It is essential to upgrade to version 5.4.5 or later and implement proper authentication and authorization mechanisms to prevent exploitation.

Defensive priority

CVE-2026-46701 is rated HIGH with a CVSS score of 7.6; Network-AI versions prior to 5.4.5 are vulnerable to unauthorized access via MCP SSE server due to an empty secret.

Recommended defensive actions

  • Inventory and verify Network-AI version; upgrade to 5.4.5 or later
  • Restrict access to MCP SSE server
  • Monitor for suspicious activity
  • Implement proper authentication and authorization mechanisms
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE-2026-46701 record indicates Network-AI versions prior to 5.4.5 have an MCP SSE server with an empty secret, allowing unauthorized access. The NVD entry is currently Analyzed. Evidence limits suggest that defenders verify Network-AI configurations, especially the MCP SSE server secret setup, and monitor for suspicious activity related to exposed MCP tools.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-20T17:17:09.990Z and has not been modified since then.