CVE-2026-110841
n8n before 2.41.4 and 2.42.0 Authorization Bypass in Agent Chat Resume Tool Approval
- State
- Published
- Severity
- 6.1 Medium
- Published
- Oct 14, 2026
- Updated
- Oct 20, 2026
- Reserved
- Oct 14, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.1 Medium | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:N | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
n8nn8n-io |
|
References
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