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 ↗

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

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

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