CVE-2026-103260

Published: Ott 01, 2026 Last Modified: Ott 01, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM 4,0
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: none
Scope: changed
Confidentiality: none
Integrity: low
Availability: none

Description

AI Translation Available

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain an approval bypass vulnerability in the Send and Wait node's Approve Within Chat mode. Attackers can submit resume requests without verification of the requester's identity or approval permissions, allowing unauthenticated users to advance waiting executions and trigger guarded actions.

862

Missing Authorization

Incomplete
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Access Control Availability
Potential Impacts:
Read Application Data Read Files Or Directories Modify Application Data Modify Files Or Directories Gain Privileges Or Assume Identity Bypass Protection Mechanism Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other)
Applicable Platforms
Technologies: AI/ML, Web Server, Database Server, Not Technology-Specific
Likelihood of Exploit: High
View CWE Details
https://github.com/n8n-io/n8n/security/advisories/GHSA-342v…
https://github.com/n8n-io/n8n/security/advisories/GHSA-342v-gmh6-738j
https://www.vulncheck.com/advisories/n8n-before-2.39.6-and-…
https://www.vulncheck.com/advisories/n8n-before-2.39.6-and-2.40-x-before-2.40.1…