{"id":"CVE-2026-110616","published":"2026-10-14T15:17:13.767","lastModified":"2026-10-16T19:18:44.867","description":"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.","cvssScore":8.1,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-306"],"vendors":[],"products":[],"references":[{"url":"https://github.com/nullclaw/nullhub","tags":[]},{"url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/Dockerfile#L69-L71","tags":[]},{"url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/api/settings.zig#L29-L54","tags":[]},{"url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/server.zig#L546-L556","tags":[]},{"url":"https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/rJrLma3izg","tags":[]},{"url":"https://www.vulncheck.com/advisories/nullhub-through-2026.5.29-missing-authentication-for-api-management-api","tags":[]}],"exploitRefs":[{"url":"https://github.com/nullclaw/nullhub","tags":[]},{"url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/Dockerfile#L69-L71","tags":[]},{"url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/api/settings.zig#L29-L54","tags":[]},{"url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/server.zig#L546-L556","tags":[]}],"hasPoc":true,"ai":null}