PT-2026-57181 · N8N · N8N

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CVE-2026-58661

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Published

2026-07-10

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Updated

2026-07-22

CVSS v4.0

5.3

Medium

VectorAV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.28.0 n8n versions prior to 1.123.58
Description An authenticated user can cause disk space exhaustion via the data-table file upload endpoint. The issue occurs because the per-request quota check fails to account for files already written to the shared temporary directory, allowing files to accumulate on the host disk until a periodic cleanup is performed.
Recommendations Update to version 2.28.0 or later. Update to version 1.123.58 or later.

Exploit

Fix

Allocation of Resources Without Limits

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Weakness Enumeration

Related Identifiers

CVE-2026-58661
GHSA-2VWW-6P9H-5G8J
GHSA-W867-JM58-P9PV

Affected Products

N8N