CVE-2026-77069

n8n (workflow automation platform) versions before 1.123.69 , 2.33.4 , and 2.34.1 contain an SSRF protection bypass in the OAuth2 authorization-code-to-access-token exchange. While discovery and dynamic-client-registration use n8n's SSRF-protected HTTP client, the token exchange uses a separate c...

CVE-2026-77069 n8n before 1.123.69 SSRF Protection Bypass via OAuth2

n8n before 1.123.69, 2.33.4, and 2.34.1 contains an SSRF protection bypass in the OAuth2 credential authorization-code-to-access-token exchange. While OAuth2 discovery and dynamic-client-registration requests use n8n's SSRF-protected HTTP client, the token exchange uses a separate client with no...

CVE-2026-77069 n8n before 1.123.69 SSRF Protection Bypass via OAuth2

n8n before 1.123.69, 2.33.4, and 2.34.1 contains an SSRF protection bypass in the OAuth2 credential authorization-code-to-access-token exchange. While OAuth2 discovery and dynamic-client-registration requests use n8n's SSRF-protected HTTP client, the token exchange uses a separate client with no...

PT-2026-78925

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.69 n8n versions prior to 2.33.4 n8n versions prior to 2.34.1 Description An SSRF Server-Side Request Forgery protection bypass exists during the OAuth2 credential authorization-code-to-access-token exchange. While...

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n8n versions through 2.31.4 and version 2.32.0 contain an authentication bypass vulnerability in Token-Exchange embed login that can allow an attacker possessing a private key trusted by the target configuration to assume an existing user's account. The vulnerable email fallback path trusts an...

CVE-2026-72772

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...

CVE-2026-72772 n8n before 2.32.1 Authentication Bypass via Token Exchange

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...

CVE-2026-72772

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...

CVE-2026-72772

n8n

CVE-2026-72772 n8n before 2.32.1 Authentication Bypass via Token Exchange

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...

CVE-2026-72772 n8n before 2.32.1 Authentication Bypass via Token Exchange

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...

CVE-2026-72772

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...

EUVD-2026-56098

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...

CVE-2026-72772: Weak Password Recovery Mechanism for Forgotten Password

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...

PT-2026-70174

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...

CVE-2026-19278

A flaw was found in StackRox/RHACS Central's Auth Machine-to-Machine M2M token exchange. When an administrator configures M2M role mappings, the system uses unanchored regular expressions for matching claim values. This allows an attacker with a valid OpenID Connect OIDC token, whose claim value ...

PYSEC-2026-3652 Open WebUI: Account takeover via OAuth token exchange accepting tokens issued to any client

Summary The OAuth token exchange endpoint accepts a raw provider access token and validates it by calling the provider's userinfo endpoint. A userinfo endpoint reports only that a token is valid, never which OAuth client it was issued to, and the endpoint performed no audience or client check of...

Open WebUI: Account takeover via OAuth token exchange accepting tokens issued to any client

SummaryThe OAuth token exchange endpoint accepts a raw provider access token and validates it by calling the provider's userinfo endpoint. A userinfo endpoint reports only that a token is valid, never which OAuth client it was issued to, and the endpoint performed no audience or client check of i...

PT-2026-76485

Summary The OAuth token exchange endpoint accepts a raw provider access token and validates it by calling the provider's userinfo endpoint. A userinfo endpoint reports only that a token is valid, never which OAuth client it was issued to, and the endpoint performed no audience or client check of...

PT-2026-69479

Name of the Vulnerable Software and Affected Versions StackRox/RHACS Central affected versions not specified Description A flaw exists in the Auth Machine-to-Machine M2M token exchange. The system employs unanchored regular expressions when matching claim values during the configuration of M2M ro...