Vulnerability · Published Sep 3, 2026 · Assigned by VulnCheck

CVE-2026-85171n8n before 1.123.73 Credential Exposure via Error Logging

High 7.1

In plain English

A high-severity sensitive data in logs in n8n from n8n-io. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 4.0)7.1High

Exploit odds (30 days)0.6%top 53.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

n8n before 1.123.73, 2.35.4, and 2.36.2 contains a credential exposure vulnerability in the Strapi, SeaTable, and Mailcheck nodes. These nodes send their decrypted credentials to the authentication endpoint via the raw legacy HTTP helper outside any error handling, causing the plaintext secret to be persisted in execution error data. Any authenticated user can read the plaintext secret from their own execution through the REST API, bypassing the blank-value redaction enforced by the credentials API.

Affected products (as reported)

Vendor	Product	Versions
n8n-io	n8n	0 – before 1.123.73
n8n-io	n8n	2.36.0 – before 2.36.2
n8n-io	n8n	2.0.0-rc.0 – before 2.35.4

Weakness: CWE-532 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References

GitHub Security Advisory (GHSA-vrv8-j27g-g7cr) vendor-advisory
VulnCheck Advisory: n8n before 1.123.73 Credential Exposure via Error Logging third-party-advisory