CVE-2026-118641 n8n before 1.123.85, 2.43.5, and 2.44.1 OData $filter Injection via Outlook and SharePoint Nodes
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-118641?
CVE-2026-118641 is a medium-severity vulnerability in n8n-io n8n, published on 28 Oct 2026.
Official 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.
Weakness: CWE-943
Which versions are affected by CVE-2026-118641?
How do I fix CVE-2026-118641?
No fix has been published for CVE-2026-118641 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-118641 being exploited?
There is no known exploitation of CVE-2026-118641 in the wild and no public exploit code.
Sources
Also known as GHSA-mgpr-56r4-5c67, GHSA-rvxx-r8h9-hc4w.