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CVE-2026-42237: n8n is an open source workflow automation platform

35
Routine
HIGH 8.8UPGRADE

CVE-2026-42237 is a high-severity flaw (CVSS 8.8) affecting n8n. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the fix for GHSA-f3f2-mcxc-pwjx did not cover the Snowflake node or the legacy MySQL v1 node. Both nodes construct SQL queries by directly interpolating user-controlled table names, column names, and update keys into query strings without identifier escaping, enabling SQL injection against the connected database. This issue has been patched in vers

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score8.8 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.3% (top 83%)
CISA exploited listNo
WeaknessCWE-89
Published2026-05-04
Last modified2026-06-17
Publisher (CNA): GitHub, Inc. · Vendor: n8n

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

n8n n8n UPGRADE
Affected: < 1.123.32 · >= 2.17.0 and < 2.17.4 · 2.18.0
Fixed in: 1.123.32, 2.17.4
Safe to downgrade to: a release before 2.17.0
1. Check installed version
npm ls n8n
2. UPGRADE to 1.123.32
npm install n8n@">=1.123.32"
3. If no update is available yet, DOWNGRADE to a release before 2.17.0
npm view n8n versions npm install n8n@"<2.17.0"
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-42237?

n8n: upgrade to 1.123.32, 2.17.4. Exact commands for each OS are on this page.

Is CVE-2026-42237 being exploited?

CVE-2026-42237 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-42237 affect?

CVE-2026-42237 affects n8n. Severity is high (CVSS 8.8). n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the fix for GHSA-f3f2-mcxc-pwjx did not cover the Snowflake node or the legacy MySQL v1 node. Both nodes construct SQL queries by directly i

How urgent is CVE-2026-42237?

Priority 35/100. High severity

Software pages

MySQL vulnerabilities

Related CVEs

References

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