---
title: "CVE-2026-118641: n8n - Injection"
description: "n8n < 1.123.85, 2.x < 2.43.5, and 2.44.x < 2.44.1 contain an OData $filter injection caused by unescaped expression-bindable parameters in Microsoft Outlook contact lookup and SharePoint v1 item update nodes, letting attackers inject single quotes to dump contacts or redirect SharePoint writes, exploit requires attacker to supply untrusted input to workflows."
url: https://panop.io/threat-heartbeat/CVE-2026-118641/
---

# CVE-2026-118641 n8n - Injection

n8n < 1.123.85, 2.x < 2.43.5, and 2.44.x < 2.44.1 contain an OData $filter injection caused by unescaped expression-bindable parameters in Microsoft Outlook contact lookup and SharePoint v1 item update nodes, letting attackers inject single quotes to dump contacts or redirect SharePoint writes, exploit requires attacker to supply untrusted input to workflows.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-118641)

## Details

Type

Injection

Impact

Information Disclosure, Data Tampering

CVSS vector

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

Published

28 October 2026

Updated

29 October 2026

Weakness

[CWE-943](https://cwe.mitre.org/data/definitions/943.html)

## Vendor fix

Update to versions 1.123.85, 2.43.5, 2.44.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-118641](https://nvd.nist.gov/vuln/detail/CVE-2026-118641)
- [https://github.com/n8n-io/n8n/security/advisories/GHSA-mgpr-56r4-5c67](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-filter-injection-via-outlook-and-sharepoint-nodes](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)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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