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Medium · 6.5 CVE-2026-120007 EUVD-2026-114327GHSA-2xj9-m79m-chvg

NodeBB 1.18.0 through 4.16.5 Authorization Bypass via /register/complete uid

Published Oct 30, 2026 · Updated Oct 30, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
NodeBB NodeBB 1.18.0 – ≤ 4.16.5 —

References