How severe is CVE-2026-54308?

CVE-2026-54308 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-54308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-54308?

CVE-2026-54308 affects N8n. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-54308?

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

Does CVE-2026-54308 have an EU (EUVD) identifier?

Yes. CVE-2026-54308 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38473.

When was CVE-2026-54308 published?

CVE-2026-54308 was published on 2026-06-23 and last updated on 2026-06-26.

CVE-2026-54308

CVE-2026-54308 is a high-severity vulnerability in N8n with a CVSS 3.x base score of 7.2. 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-290.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v4: 6.3
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38473
Weakness: CWE-290
Affected product: N8n
Published: 2026-06-23
Last modified: 2026-06-26

Description

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, the MicrosoftAgent365Trigger and StripeTrigger node did not validate that inbound requests. As a result, an unauthenticated attacker who knows the webhook URL could submit a forged payload and cause the workflow to execute with attacker-controlled data. This vulnerability is fixed in 2.25.7 and 2.26.2.

Frequently asked questions

What is CVE-2026-54308?: n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, the MicrosoftAgent365Trigger and StripeTrigger node did not validate that inbound requests. As a result, an unauthenticated attacker who knows the webhook URL could submit a forged payload and cause the workflow to execute with attacker-controlled data. This vulnerability is fixed in 2.25.7 and 2.26.2.
How severe is CVE-2026-54308?: CVE-2026-54308 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-54308 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-54308?: CVE-2026-54308 affects N8n. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-54308?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-54308 have an EU (EUVD) identifier?: Yes. CVE-2026-54308 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38473.
When was CVE-2026-54308 published?: CVE-2026-54308 was published on 2026-06-23 and last updated on 2026-06-26.

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-jvc7-762p-3743

Affected products (1)

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

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