CVE-2026-110853

highpriority · track · 0EPSS 0.002 · 14 %ileDE
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.23% (14th) EPSS
CVSS 7.1 · high
Is it mine?
6 products
Check your exposure
Who says so?
1 sources
cert_bund

EPSS · scored 2026-10-27

n8n before 1.123.83 contains an authorization bypass vulnerability that allows authenticated members to spoof workflow identity by supplying a trusted identifier in Execute Sub-workflow inline JSON mode. Attackers can set this identifier to resolve credentials from projects they do not belong to and modify another workflow's static data and error-workflow dispatch.

01

cvss

Technical severity, 0–10. One row per scoring source.

7.1
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4–7.1

v4.07.1highCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · disclosure@vulncheck.com
v4.04mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-639US
04

affected products (6)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-3672n8n: Mehrere SchwachstellenDeutsch2026-09-29csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in n8n ausnutzen, um beliebigen Programmcode auszuführen, um Sicherheitsmechanismen zu umgehen, um Informationen offenzulegen oder zu manipulieren, sowie um einen Denial of Service herbeizuführen.

06

sources

Which sources assert this record, and when.

cert_bundNVDCVE.orgMITRE
published 2026-10-14modified 2026-10-16
07

references (2) nvd

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan