CVE-2026-103256
n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain a credentials leak vulnerability in the Wekan and Baserow username-and-password
CVSS
7.1
High
EPSS
0.2%
p11
KEV
—
Exploit Today
3
0-100
Published: Oct 1, 2026 · Last modified: Oct 1, 2026 · CWE-522
0.2%EPSS · 30 days0.2%
2026-10-022026-10-25
n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain a credentials leak vulnerability in the Wekan and Baserow username-and-password credentials that sends unencrypted passwords to unvalidated hosts. Attackers with credential update permissions can modify the host field to receive account passwords at arbitrary hosts, bypassing domain validation controls.
CVECVSSEPSSKEVRExploitTitleMod.
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