Vulnerability · Published Oct 14, 2026 · Assigned by VulnCheck

CVE-2026-110841n8n before 2.41.4 and 2.42.0 Authorization Bypass in Agent Chat Resume Tool Approval

Medium 6.1

In plain English

A medium-severity authorization bypass via user-controlled key in n8n from n8n-io. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 4.0)6.1Medium

Exploit odds (30 days)0.3%top 79.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
n8n-io	n8n	0 – before 2.41.4

Weakness: CWE-639 · Vector: 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

References

GitHub Security Advisory (GHSA-p3pg-xw4f-m72c) vendor-advisory
VulnCheck Advisory: n8n before 2.41.4 and 2.42.0 Authorization Bypass in Agent Chat Resume Tool Approval third-party-advisory