How severe is CVE-2026-54310?

CVE-2026-54310 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-54310 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-54310?

CVE-2026-54310 affects N8n. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-54310?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-54310 have an EU (EUVD) identifier?

Yes. CVE-2026-54310 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38470.

When was CVE-2026-54310 published?

CVE-2026-54310 was published on 2026-06-23 and last updated on 2026-06-25.

CVE-2026-54310

CVE-2026-54310 is a critical-severity vulnerability in N8n with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
CVSS v4: 6.5
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38470
Weakness: CWE-89
Affected product: N8n
Published: 2026-06-23
Last modified: 2026-06-25

Description

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, an authenticated user with permission to create or modify workflows could supply a crafted parameters to the TimescaleDB and/or legacy Postgres v1 node's allowing arbitrary SQL to be injected and executed against the connected database within the privileges of the configured database account. This vulnerability is fixed in 2.25.7 and 2.26.2.

Frequently asked questions

What is CVE-2026-54310?: n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, an authenticated user with permission to create or modify workflows could supply a crafted parameters to the TimescaleDB and/or legacy Postgres v1 node's allowing arbitrary SQL to be injected and executed against the connected database within the privileges of the configured database account. This vulnerability is fixed in 2.25.7 and 2.26.2.
How severe is CVE-2026-54310?: CVE-2026-54310 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-54310 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-54310?: CVE-2026-54310 affects N8n. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-54310?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-54310 have an EU (EUVD) identifier?: Yes. CVE-2026-54310 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38470.
When was CVE-2026-54310 published?: CVE-2026-54310 was published on 2026-06-23 and last updated on 2026-06-25.

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-c37g-w77q-m4vp

Affected products (1)

cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*

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