{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-120007","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-30T17:58:24.242Z","datePublished":"2026-10-30T18:52:57.828Z","dateUpdated":"2026-10-30T19:42:51.208Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-30T18:52:57.828Z"},"datePublic":"2026-10-29T00:00:00.000Z","title":"NodeBB 1.18.0 through 4.16.5 Authorization Bypass via /register/complete uid","descriptions":[{"lang":"en","value":"NodeBB 1.18.0 through 4.16.5 contains an authorization bypass vulnerability that allows unauthenticated visitors to act on other accounts by supplying a uid during POST /register. Attackers can submit an empty email at the /register/complete interstitial to clear a victim's email and confirmation state and revoke all their sessions."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Authorization Bypass Through User-Controlled Key","cweId":"CWE-639","type":"CWE"}]}],"affected":[{"vendor":"NodeBB","product":"NodeBB","packageURL":"pkg:npm/nodebb","repo":"https://github.com/NodeBB/NodeBB","defaultStatus":"unaffected","versions":[{"version":"1.18.0","lessThanOrEqual":"4.16.5","status":"affected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nodebb:nodebb:*:*:*:*:*:*:*:*","versionStartIncluding":"1.18.0","versionEndIncluding":"4.16.5"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"LOW","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/NodeBB/NodeBB/commit/376d14abb7fffd8ea14f3a2f96baa20ffee5cdb3","tags":["patch"],"name":"Patch Commit"},{"url":"https://github.com/NodeBB/NodeBB/blob/c3d8dc512292a376f19e06cb93512bdff2505102/src/controllers/authentication.js#L34","name":"Registration body saved to session (4.16.5)","tags":["technical-description"]},{"url":"https://github.com/NodeBB/NodeBB/blob/c3d8dc512292a376f19e06cb93512bdff2505102/src/user/interstitials.js#L124","name":"Email interstitial removal on attacker-chosen uid (4.16.5)","tags":["technical-description"]},{"url":"https://github.com/NodeBB/NodeBB","tags":["product"]},{"name":"VulnCheck Advisory: NodeBB 1.18.0 through 4.16.5 Authorization Bypass via /register/complete uid","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/nodebb-1.18.0-through-4.16.5-authorization-bypass-via-register-complete-uid"}],"credits":[{"lang":"en","value":"Zachariah Mithani (AploSec)","type":"finder"},{"lang":"en","value":"julianlam","type":"remediation developer"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-30T19:42:32.089286Z","id":"CVE-2026-120007","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-30T19:42:51.208Z"}}]}}