CVE-2026-110844CWE-863broken-access-control

CVE-2026-110844

published October 15, 2026

CVSS
7.2
EPSS
0%
Percentile
19.6
In the wild
Unconfirmed
What it is

n8n before 1.123.83 contains an authorization bypass vulnerability that allows shared-workflow editors to use credentials they cannot access by embedding them in nested or tool inline sub-workflows. Attackers can save workflows with Workflow Tool or Workflow Retriever inline definitions referencing restricted credentials, which execute using the workflow owner's credential values.

The record
Technical detail
CVSS
7.2 · NONE
CVSS v4.0
7.2 · CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:H/SA:N
EPSS
0.00282 · 19.6th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-10-15T03:17Z
References (2)
https://github.com/n8n-io/n8n/security/advisories/GHSA-r6g9-5cpp-ppwr · [email protected]https://www.vulncheck.com/advisories/n8n-before-1.123.83-credential-authorization-bypass-via-nested-inline-sub-workflows · [email protected]
EPSS history
Timeline
  • 16 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 14 OCT 22:52Z
    n8n before 1.123.83 Credential Authorization Bypass via Nested Inline Sub-Workflows
    cvelistv5
  • 14 OCT 22:52Z
    n8n before 1.123.83 Credential Authorization Bypass via Nested Inline Sub-Workflows
    cvelistv5