n8n-io n8n prior 1.123.69/2.33.4/2.34.1 MongoDB node Query data query logic injection

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in n8n-io n8n. It has been declared as critical. Affected by this issue is some unknown functionality of the component MongoDB node. Executing a manipulation of the argument Query can lead to data query logic injection. This vulnerability appears as CVE-2026-77070. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in n8n-io n8n. It has been declared as critical. This vulnerability affects some unknown processing of the component MongoDB node. The manipulation of the argument Query with an unknown input leads to a data query logic injection vulnerability. The CWE definition for the vulnerability is CWE-943. The product generates a query intended to access or manipulate data in a data store such as a database, but it does not neutralize or incorrectly neutralizes special elements that can modify the intended logic of the query. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

n8n before 1.123.69, 2.33.4, and 2.34.1 contains a NoSQL injection vulnerability in the MongoDB node's Find, Delete, and Aggregate operations, which parse the Query parameter as JSON after expression resolution without sanitizing MongoDB operators. An attacker who can influence the resolved query (e.g., via externally-controlled data) can inject operators such as $ne or $where, turning an intended single-document lookup into full-collection disclosure, full-collection deletion, or other operations on the database server.

The advisory is available at github.com. This vulnerability was named CVE-2026-77070 since 08/20/2026. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit.

Upgrading to version 1.123.69, 2.33.4 or 2.34.1 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

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: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Data query logic injection
CWE: CWE-943 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: n8n 1.123.69/2.33.4/2.34.1

Timelineinfo

08/20/2026 Advisory disclosed
08/20/2026 +0 days CVE reserved
08/20/2026 +0 days VulDB entry created
08/20/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-77070 (🔒)
GCVE (CVE): GCVE-0-2026-77070
GCVE (VulDB): GCVE-100-393658

Entryinfo

Created: 08/20/2026 13:54
Changes: 08/20/2026 13:54 (67)
Complete: 🔍
Cache ID: 216::103

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