n8n-io n8n up to 2.41.3 Agent Chat Resume Endpoint run authorization

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.40

Summaryinfo

A vulnerability labeled as critical has been found in n8n-io n8n up to 2.41.3. The impacted element is an unknown function of the component Agent Chat Resume Endpoint. Such manipulation of the argument run leads to authorization. This vulnerability is documented as CVE-2026-110841. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in n8n-io n8n up to 2.41.3. It has been rated as critical. Affected by this issue is an unknown part of the component Agent Chat Resume Endpoint. The manipulation of the argument run 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 confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-110841 since 10/15/2026. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available.

Upgrading to version 2.41.4 eliminates this vulnerability.

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Productinfo

Vendor

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: 6.3
VulDB Meta Temp Score: 6.0

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

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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: n8n 2.41.4

Timelineinfo

10/14/2026 VulDB entry created
10/15/2026 +0 days Advisory disclosed
10/15/2026 +0 days CVE reserved
10/15/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-110841 (🔒)
GCVE (CVE): GCVE-0-2026-110841
GCVE (VulDB): GCVE-100-420416

Entryinfo

Created: 10/15/2026 01:08
Changes: 10/15/2026 01:08 (68)
Complete: 🔍
Cache ID: 216::103

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