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mediumCVSS 6.4NVD status: Analyzed

CVE-2026-54306

n8n is an open source workflow automation platform.

Componentn8n
Severitymedium (CVSS 6.4)
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Published (NVD)2026-06-23
Last modified2026-06-26
Affected versions
n8n < 2.25.7
n8n >= 2.26.0, < 2.26.2
Fixed in2.25.7, 2.26.2
WeaknessCWE-1321
CISA KEVnot listed

NVD description

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, a prototype pollution vulnerability allowed a crafted public webhook payload to inject attacker-controlled fields into workflow data during internal object copying. These fields could be surfaced and consumed as normal values by downstream built-in nodes. Where a workflow combines a public webhook with action nodes that consume the resulting fields, an attacker could cause the workflow to act as a confused deputy — targeting unintended records or issuing outbound requests using the workflow owner's configured credentials. This vulnerability is fixed in 2.25.7 and 2.26.2.

Does CVE-2026-54306 hit the version you run?Paste your docker-compose.yml, requirements.txt or package.json. The scanner checks your pinned versions against this CVE and every other one we track for n8n.
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What to do

  • Upgrade n8n to 2.25.7 or later (or the patched release of your branch: 2.26.2).
  • Do not expose the component's API or UI to the internet without authentication in front of it.

Sources

Read more

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