{"id":"CVE-2026-110616","summary":"NullHub through 2026.5.29 Missing Authentication for /api Management API","details":"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.","modified":"2026-10-16T02:47:39.675631062Z","published":"2026-10-14T14:16:55.237Z","database_specific":{"cwe_ids":["CWE-306"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110616.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110616.json"},{"type":"ADVISORY","url":"https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/rJrLma3izg"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110616"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/nullhub-through-2026.5.29-missing-authentication-for-api-management-api"},{"type":"PACKAGE","url":"https://github.com/nullclaw/nullhub"},{"type":"ARTICLE","url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/Dockerfile#L69-L71"},{"type":"ARTICLE","url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/api/settings.zig#L29-L54"},{"type":"ARTICLE","url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/server.zig#L546-L556"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nullclaw/nullhub","events":[{"introduced":"0"},{"fixed":"c6b4dab2fca5d6e0c25959fb1cdd6ab1d0d1278f"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"2026.5.29"},{"fixed":"2026.5.29"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"versions":["v2026.3.13","v2026.3.12","v2026.3.11","v2026.3.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-110616.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}