CVE-2026-72772 (GCVE-0-2026-72772)

Vulnerability from cvelistv5 – Published: 2026-08-11 12:17 – Updated: 2026-10-29 21:16
VLAI
Title
n8n before 2.32.1 Authentication Bypass via Token Exchange
Summary
n8n before 2.32.1 (and before 2.31.5) is vulnerable to account takeover via the Token Exchange Embed Login feature. When a validly-signed incoming token was matched to a local account by its email claim, the service did not verify that the email claim was verified, nor that the trusted key's permitted role ceiling covered that account. As a result, anyone able to obtain a token accepted by a configured trusted key (for example, a trusted issuer emitting unverified email addresses) could authenticate as any existing user and gain full account control. This issue only affects instances where the embed login feature is enabled and at least one trusted key source is configured.
Severity
8.9 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 14:57 UTC
CWE
  • CWE-640 - Weak Password Recovery Mechanism for Forgotten Password
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 7818 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
n8n-io n8n Affected: 2.32.0 , < 2.32.1 (semver)
Unaffected: 2.32.1 (semver)
guessed Create a notification for this product.
n8n-io n8n Affected: 0 , < 2.31.5 (semver)
Unaffected: 2.31.5 (semver)
guessed Create a notification for this product.
Date Public
2026-07-22 00:00
Show details on NVD website
To clipboard 

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