CVE-2026-54307: n8n is an open source workflow automation platform

Q: How do I fix CVE-2026-54307?

n8n: upgrade to 1.123.55, 2.25.7, 2.26.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-54307 being exploited?

CVE-2026-54307 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-54307 affect?

CVE-2026-54307 affects n8n. Severity is critical (CVSS 9.6). n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, a member-level user with editor access to a shared workflow could reference credentials they do not own via specific public API endpoints. Credential

Q: How urgent is CVE-2026-54307?

Priority 42/100. Critical severity

This month

CRITICAL 9.6UPGRADE

CVE-2026-54307 is a critical-severity flaw (CVSS 9.6) 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 1.123.55, 2.25.7, and 2.26.2, a member-level user with editor access to a shared workflow could reference credentials they do not own via specific public API endpoints. Credential ownership checks were only enforced partially leading to cross-user credential access. This issue affects instances where workflow sharing is enabled and at least one workflow has been shared with a member-lev

Why this priority

Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score	9.6 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-863
Published	2026-06-23
Last modified	2026-10-25

Publisher (CNA): GitHub, Inc. · Vendor: n8n

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-23 17:17 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

n8n n8n UPGRADE

Affected: < 1.123.55 · >= 2.0.0 and < 2.25.7 · >= 2.26.0 and < 2.26.2

Fixed in: 1.123.55, 2.25.7, 2.26.2

Safe to downgrade to: a release before 2.0.0

1. Check installed version

npm ls n8n

2. UPGRADE to 1.123.55

npm install n8n@">=1.123.55"

3. If no update is available yet, DOWNGRADE to a release before 2.0.0

npm view n8n versions npm install n8n@"<2.0.0"

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-2026-54307?

n8n: upgrade to 1.123.55, 2.25.7, 2.26.2. Exact commands for each OS are on this page.

Is CVE-2026-54307 being exploited?

CVE-2026-54307 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-2026-54307 affect?

CVE-2026-54307 affects n8n. Severity is critical (CVSS 9.6). n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, a member-level user with editor access to a shared workflow could reference credentials they do not own via specific public API endpoints. Credential

How urgent is CVE-2026-54307?

Priority 42/100. Critical severity

Related CVEs

CVE-2026-42229 HIGH 8.8 UPGRADE n8n is an open source workflow automation platform
CVE-2026-54312 HIGH 8.5 UPGRADE n8n is an open source workflow automation platform
CVE-2026-54305 CRITICAL 9.9 UPGRADE n8n is an open source workflow automation platform
CVE-2026-54308 HIGH 7.2 UPGRADE n8n is an open source workflow automation platform
CVE-2026-54313 HIGH 7.7 UPGRADE n8n is an open source workflow automation platform

References

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