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CVE-2026-56778: n8n before 2.25.7 (exclusive), from 2.26.0 (inclusive), before 2.26.2 (exclusive), 0 to before 2.26.2 (+1 more…
CVE-2026-56778. CVSS 3.1 base score 6.4 (MEDIUM, Vendor/CNA). EPSS 0.00295 (percentile 0.21898), scored 25-Oct-2026.
Affected technology
n8n · before 2.25.7 (exclusive)
n8n
n8n · from 2.26.0 (inclusive), before 2.26.2 (exclusive)
n8n
n8n · 0 to before 2.26.2
n8n
n8n · 0 to before 2.25.7
n8n
Description’s affected range: before 2.25.7 and 2.26.x before 2.26.2
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required
What an attacker can do
An authenticated user with read-only access to a shared workflow can use the Public API to retry executions of that workflow, bypassing the intended permission boundary between read and execute access. Vendor/CNA’s CVSS 4.0 assessment (base score 5.3/10) rates confidentiality and integrity impact as low; availability impact as none.
- CWE
- CWE-863
- CCR priority
- 25.7 /100 (P4)
- CVSS 3.1
- 6.4 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N · Vendor/CNA
- EPSS
- 0.00295 · percentile 0.21898 · 2026-10-25
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-56778.html