{"schema":"threatline.record/2","record":{"id":"CVE-2026-110616","aliases":[],"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.","categories":["Unclassified"],"product":"NullHub","vendor":"nullclaw","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110616","source_modified_at":"2026-10-20T01:14:30.401Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"NullHub","vendor":"nullclaw","versions":[{"version":"0","lessThanOrEqual":"2026.5.29","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":9.2,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00807,"percentile":0.56424,"score_date":"2026-10-23"},"published_at":"2026-10-14T14:16:55.237Z","modified_at":"2026-10-20T01:14:30.401Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-110616","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T01:14:30.401Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-110616","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/rJrLma3izg","tags":["exploit"]},{"source":"CVE List","url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/server.zig#L546-L556","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/api/settings.zig#L29-L54","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/Dockerfile#L69-L71","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/nullclaw/nullhub","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/nullhub-through-2026.5.29-missing-authentication-for-api-management-api","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"total","assessed_at":"2026-10-20T01:13:06.030172Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-20T01:14:30.401Z","content_hash":"074a513d2802bc71264295e7345f1c2910d257017aeef635fd6f55ee2842990c"}}