What is CVE-2025-61917?

CVE-2025-61917 is a high-severity vulnerability in N8n-io N8n, classified under Exposure of Resource to Wrong Sphere. CVSS score: 7.7/10. Published 2026-02-04.

How severe is CVE-2025-61917?

High severity. CVSS v3 base score is 7.7 out of 10.

Information disclosure in N8n-io N8n

CVE-2025-61917

n8n is an open source workflow automation platform. From version 1.65.0 to before 1.114.3, the use of Buffer.allocUnsafe() and Buffer.allocUnsafeSlow() in the task runner allowed untrusted code to allocate uninitialized memory. Such uninit…

EPSS: 0.000 (5.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

N8n-io N8n — versions >= 1.65.0, < 1.114.3

Weakness classification (CWE)

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-49mx-fj45-q3p6 (x_refsource_CONFIRM)
https://github.com/n8n-io/n8n/commit/2c4c2953199733c791f739a40879ae31ca129aba (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-61917?: CVE-2025-61917 is a high-severity vulnerability in N8n-io N8n, classified under Exposure of Resource to Wrong Sphere. CVSS score: 7.7/10. Published 2026-02-04.
How severe is CVE-2025-61917?: High severity. CVSS v3 base score is 7.7 out of 10.