← AI agent vulnerabilities

CVE-2026-110616

NullHub

8.1
Severity
High
Published
October 14, 2026
Last modified
October 20, 2026

NullHub through 2026.5.29 contains a missing authentication vulnerability that allows unauthenticated attackers to access the /api/* management API because the auth_token field defaults to null and is never assigned. Attackers sending requests without Authorization or Origin headers to non-loopback listeners can control agent instances, rewrite configurations including provider credentials, and manage cron jobs and MCP servers.

CVSS vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness

References

CVE-2026-110616 on NVD

Listed in

HighMCP serversMissing authentication

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