CVE-2026-21877

unknown

Published 2026-01-06 · Modified 2026-02-03

CVSS v3

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CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v2

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VIR risk

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Description

n8n Vulnerable to RCE via Arbitrary File Write

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Package impact

Ecosystem	Package	Vulnerable	Fixed
npm	n8n	`>=0.123.0,<1.121.3`	`1.121.3`

References

Verify integrity in audit chain (admin only). AS-IS.