NodeBB 1.18.0/4.16.5 Registration /register/complete uid authorization

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k1.94

Summaryinfo

A vulnerability marked as critical has been reported in NodeBB 1.18.0/4.16.5. Impacted is an unknown function of the file /register/complete of the component Registration. The manipulation of the argument uid leads to authorization. This vulnerability is referenced as CVE-2026-120007. Remote exploitation of the attack is possible. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in NodeBB 1.18.0/4.16.5. It has been rated as critical. This issue affects an unknown code of the file /register/complete of the component Registration. The manipulation of the argument uid with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-120007 since 10/30/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch 376d14abb7fffd8ea14f3a2f96baa20ffee5cdb3 is able to eliminate this problem.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 376d14abb7fffd8ea14f3a2f96baa20ffee5cdb3

Timelineinfo

10/30/2026 Advisory disclosed
10/30/2026 +0 days CVE reserved
10/30/2026 +0 days VulDB entry created
10/30/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CNA: VulnCheck
CVE: CVE-2026-120007 (🔒)

GCVE (CVE): GCVE-0-2026-120007
GCVE (VulDB): GCVE-100-429335

Entryinfo

Created: 10/30/2026 20:07
Changes: 10/30/2026 20:07 (77)
Complete: 🔍
Cache ID: 216::103

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