n8n: Cross-Issuer Token Exchange Account Binding via Subject-Only Identity Resolution

Impact When an n8n instance is configured with more than one trusted token-exchange issuer, external identities are resolved to local accounts using only the JWT sub claim, ignoring the issuer iss. As a result, two different issuers that emit the same subject value map to the same local account. ...

GHSA-MQ3M-F8X3-579W n8n: Cross-Issuer Token Exchange Account Binding via Subject-Only Identity Resolution

Impact When an n8n instance is configured with more than one trusted token-exchange issuer, external identities are resolved to local accounts using only the JWT sub claim, ignoring the issuer iss. As a result, two different issuers that emit the same subject value map to the same local account. ...

Insufficient Session Expiration

Overview Affected versions of this package are vulnerable to Insufficient Session Expiration in the session process. An attacker can bypass token expiration enforcement by providing a JWT without the exp claim, resulting in tokens from trusted issuers being accepted indefinitely. Remediation...

CVE-2026-59208 n8n: Cross-Issuer Token Exchange Account Binding via Subject-Only Identity Resolution

n8n is an open source workflow automation platform. Prior to 2.27.4 and from 2.28.0 prior to 2.28.1, n8n instances configured with more than one trusted token-exchange issuer resolved external identities to local accounts using only the JWT sub claim and ignored the iss claim, allowing an attacke...

CVE-2021-3601

DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. OpenSSL does not class this issue as a security vulnerability. The trusted CA store should not contain anything that the user does not trust to issue other certificates. Notes:...