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.
Advisories

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Fixes

Solution

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Workaround

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History

Fri, 30 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
Description 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.
Title NodeBB 1.18.0 through 4.16.5 Authorization Bypass via /register/complete uid
First Time appeared Nodebb
Nodebb nodebb
Weaknesses CWE-639
CPEs cpe:2.3:a:nodebb:nodebb:*:*:*:*:*:*:*:*
Vendors & Products Nodebb
Nodebb nodebb
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L'}

cvssV4_0

{'score': 6.9, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-30T19:42:51.208Z

Reserved: 2026-10-30T17:58:24.242Z

Link: CVE-2026-120007

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-30T19:18:22.770

Modified: 2026-10-30T20:17:09.377

Link: CVE-2026-120007

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-30T20:30:14Z

Weaknesses