n8n before 2.41.4 and 2.42.0 contains an authorization bypass in the agent chat resume endpoint, which accepts a run identifier from the request body without verifying that the suspended checkpoint belongs to the caller. Authenticated project members can list and read other members' private agent conversations through project-scoped endpoints, then approve their pending tool calls, causing the tools to execute and write results into the victim's conversation.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 14 Oct 2026 23:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | n8n before 2.41.4 and 2.42.0 contains an authorization bypass in the agent chat resume endpoint, which accepts a run identifier from the request body without verifying that the suspended checkpoint belongs to the caller. Authenticated project members can list and read other members' private agent conversations through project-scoped endpoints, then approve their pending tool calls, causing the tools to execute and write results into the victim's conversation. | |
| Title | n8n before 2.41.4 and 2.42.0 Authorization Bypass in Agent Chat Resume Tool Approval | |
| First Time appeared |
N8n
N8n n8n |
|
| Weaknesses | CWE-639 | |
| CPEs | cpe:2.3:a:n8n:n8n:*:*:*:*:*:*:*:* | |
| Vendors & Products |
N8n
N8n n8n |
|
| References |
| |
| Metrics |
cvssV4_0
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-10-14T22:52:16.473Z
Reserved: 2026-10-14T22:12:22.054Z
Link: CVE-2026-110841
No data.
Status : Deferred
Published: 2026-10-14T23:17:24.477
Modified: 2026-10-14T23:17:24.587
Link: CVE-2026-110841
No data.
OpenCVE Enrichment
No data.
Weaknesses