How severe is CVE-2023-27564?

CVE-2023-27564 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-27564 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27564?

CVE-2023-27564 affects N8n. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27564?

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.

When was CVE-2023-27564 published?

CVE-2023-27564 was published on 2023-05-10 and last updated on 2026-06-17.

CVE-2023-27564

CVE-2023-27564 is a high-severity vulnerability in N8n with a CVSS 3.x base score of 7.5. 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-668.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: N8n
Published: 2023-05-10
Last modified: 2026-06-17

Description

The n8n package 0.218.0 for Node.js allows Information Disclosure.

Frequently asked questions

What is CVE-2023-27564?: The n8n package 0.218.0 for Node.js allows Information Disclosure.
How severe is CVE-2023-27564?: CVE-2023-27564 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-27564 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27564?: CVE-2023-27564 affects N8n. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27564?: 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.
When was CVE-2023-27564 published?: CVE-2023-27564 was published on 2023-05-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:n8n:n8n:0.218.0:*:*:*:*:node.js:*:*

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