Vulnerabilities / CVE-2026-118641

CVE-2026-118641

Published 2026-10-28 · published (not yet in NVD)

CVE-2026-118641

n8n before 1.123.85, 2.43.5, and 2.44.1 OData $filter Injection via Outlook and SharePoint Nodes

6.9 MEDIUM
CVSS 4.0 · CNA

0.3%
chance of exploitation in the next 30 days (EPSS; higher than 22% of CVEs)

n8n before 1.123.85, 2.x before 2.43.5, and 2.44.x before 2.44.1 contains an OData $filter injection vulnerability in the Microsoft Outlook contact lookup and Microsoft SharePoint v1 item update nodes, which build $filter string literals from expression-bindable parameters without escaping. Attackers who supply untrusted input to such workflows can inject single quotes to dump the bound mailbox's entire contact list or redirect SharePoint writes onto unintended list items within the stored credential's scope.

Scores

6.9CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:NCNA

7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:NCNA

Affected products

n8n-io n8n: < 1.123.85
n8n-io n8n: 2.44.0 to < 2.44.1
n8n-io n8n: 2.0.0 to < 2.43.5

Weakness: CWE-943

Also known as: GHSA-mgpr-56r4-5c67

2 references (advisories, patches, write-ups)

https://github.com/n8n-io/n8n/security/advisories/GHSA-mgpr-56r4-5c67 · vendor-advisory
https://www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-odata-filter-injection-via-outlook-and-sharepoint-nodes · third-party-advisory

Sources: CVE.org, OSV.dev, FIRST EPSS. Missing ones did not answer or have no record yet.

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