{"id":"CVE-2026-110616","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-110616","generatedAt":"2026-10-28T06:34:54.280Z","title":"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.","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.","published":"2026-10-14T15:17:14.000Z","lastModified":"2026-10-20T02:17:09.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":9.2,"severity":"CRITICAL","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-306"],"affected":[],"epss":{"score":0.00952,"percentile":0.61122,"date":"2026-10-27","history":[{"date":"2026-10-15","score":0.00807,"percentile":0.55973}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-14T15:17:14.000Z","detail":{"score":"9.2","severity":"CRITICAL","publishedAt":"2026-10-14T15:17:13.767Z"},"summary":"New CVE, critical severity (CVSS 9.2)."}],"references":[{"url":"https://github.com/nullclaw/nullhub","source":"disclosure@vulncheck.com"},{"url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/Dockerfile#L69-L71","source":"disclosure@vulncheck.com"},{"url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/api/settings.zig#L29-L54","source":"disclosure@vulncheck.com"},{"url":"https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/server.zig#L546-L556","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/rJrLma3izg","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/nullhub-through-2026.5.29-missing-authentication-for-api-management-api","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/rJrLma3izg","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-110616","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}