Vulnerability Description
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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-mgpr-56r4-5c67
- https://www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-odata
FAQ
What is CVE-2026-118641?
CVE-2026-118641 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...
How severe is CVE-2026-118641?
CVE-2026-118641 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-118641?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.