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% (33rd 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% (33rd 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% (33rd 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:*:*

More vulnerabilities in N8n

CVE-2026-54309 — Critical (CVSS 10.0): n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP…
CVE-2026-21858 — Critical (CVSS 10.0): n8n is an open source workflow automation platform. Versions starting with 1.65.0 and below 1.121.0 enable an attacker…
CVE-2026-54305 — Critical (CVSS 9.9): n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, three EE endpoints used by…
CVE-2026-44791 — Critical (CVSS 9.9): n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, an authenticated user with…
CVE-2026-44789 — Critical (CVSS 9.9): n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, an authenticated user with…
CVE-2026-27577 — Critical (CVSS 9.9): n8n is an open source workflow automation platform. Prior to versions 2.10.1, 2.9.3, and 1.123.22, additional exploits…

All CVEs affecting N8n →

Other CWE-89 (SQL Injection) vulnerabilities

CVE-2026-20030 — Critical (CVSS 10.0): As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Crosswork engineering team…
CVE-2026-72811 — Critical (CVSS 10.0): SiYuan versions <= v3.7.2 contain a SQL injection vulnerability in the backlink/mention search query…
CVE-2026-72851 — Critical (CVSS 10.0): Budibase before 3.40.0 contains an unauthenticated SQL injection vulnerability in webhook-triggered automations with…
CVE-2026-72899 — Critical (CVSS 10.0): Metabase allows an unauthenticated attacker to inject arbitrary SQL via a publicly shared card or dashboard that…
CVE-2026-72898 — Critical (CVSS 10.0): Metabase allows a remote, unauthenticated attacker to inject arbitrary SQL via the '/reset_password' database endpoint…
CVE-2026-48330 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) is affected by an Improper Neutralization of Special Elements used in an SQL Command ('SQL…

Browse all CWE-89 (SQL Injection) vulnerabilities →