ALPINE-CVE-2026-40205

An attacker that holds an OAuth2 token granting only part of the required scopes can authenticate, because when more than one scope is required in the configuration, the remote token validation paths accept a token that carries only one of them, while the local token validation path correctly...

CVE-2026-40205

An attacker that holds an OAuth2 token granting only part of the required scopes can authenticate, because when more than one scope is required in the configuration, the remote token validation paths accept a token that carries only one of them, while the local token validation path correctly...

AZL-98307 CVE-2026-40205 affecting package dovecot 2.3.20-1

An attacker that holds an OAuth2 token granting only part of the required scopes can authenticate, because when more than one scope is required in the configuration, the remote token validation paths accept a token that carries only one of them, while the local token validation path correctly...

nacos-authscope

Nacos 3.x: Authentication Scope Mismatch Unauthorized Self-Bu...

CVE-2026-73208

An attacker that holds a token intended for a different purpose can authenticate, because when an OAuth2 token response does not contain a scope claim, the audience claim is used in its place and checked against the configured required scopes. These are different concepts, and the audience claim...

CVE-2026-73208

An attacker that holds a token intended for a different purpose can authenticate, because when an OAuth2 token response does not contain a scope claim, the audience claim is used in its place and checked against the configured required scopes. These are different concepts, and the audience claim...

CVE-2026-73208

Dovecot (Open-Xchange) contains an OAuth2 token validation flaw : when a token response lacks a scope claim , the audience claim is used in its place and checked against configured required scopes. Because these are distinct concepts, a token granted no relevant permissions can be accepted if its...

EUVD-2026-67680

An attacker that holds a token intended for a different purpose can authenticate, because when an OAuth2 token response does not contain a scope claim, the audience claim is used in its place and checked against the configured required scopes. These are different concepts, and the audience claim...

CVE-2026-73208

An attacker that holds a token intended for a different purpose can authenticate, because when an OAuth2 token response does not contain a scope claim, the audience claim is used in its place and checked against the configured required scopes. These are different concepts, and the audience claim...

EUVD-2026-67671

An attacker that holds an OAuth2 token granting only part of the required scopes can authenticate, because when more than one scope is required in the configuration, the remote token validation paths accept a token that carries only one of them, while the local token validation path correctly...

CVE-2026-40205

An attacker that holds an OAuth2 token granting only part of the required scopes can authenticate, because when more than one scope is required in the configuration, the remote token validation paths accept a token that carries only one of them, while the local token validation path correctly...

CVE-2026-40205

Open-Xchange (OX) is affected by an OAuth2 token validation flaw in its remote validation paths . When the configuration requires more than one scope, the remote path accepts a token carrying only one of the required scopes, whereas the local validation path correctly enforces all of them. This m...

CVE-2026-40205

An attacker that holds an OAuth2 token granting only part of the required scopes can authenticate, because when more than one scope is required in the configuration, the remote token validation paths accept a token that carries only one of them, while the local token validation path correctly...

CVE-2026-40205

An attacker that holds an OAuth2 token granting only part of the required scopes can authenticate, because when more than one scope is required in the configuration, the remote token validation paths accept a token that carries only one of them, while the local token validation path correctly...

CVE-2026-40205

An attacker that holds an OAuth2 token granting only part of the required scopes can authenticate, because when more than one scope is required in the configuration, the remote token validation paths accept a token that carries only one of them, while the local token validation path correctly...

nacos-authscope-poc

Nacos 3.x: Authentication Scope Mismatch Unauthorized Self-Bu...

CVE-2026-40205

An attacker that holds an OAuth2 token granting only part of the required scopes can authenticate, because when more than one scope is required in the configuration, the remote token validation paths accept a token that carries only one of them, while the local token validation path correctly...

UBUNTU-CVE-2026-40205

An attacker that holds an OAuth2 token granting only part of the required scopes can authenticate, because when more than one scope is required in the configuration, the remote token validation paths accept a token that carries only one of them, while the local token validation path correctly...

PT-2026-83064

Name of the Vulnerable Software and Affected Versions dovecot versions prior to 2.4.5-1.1 Description An authentication flaw exists where remote token validation paths fail to enforce configured authorization policies when multiple scopes are required. An attacker possessing an OAuth2 token with...

PT-2026-83074

Name of the Vulnerable Software and Affected Versions Dovecot versions prior to 2.4.5-1.1 Description An authentication flaw exists where a token intended for a different purpose can be used to authenticate. This occurs when an OAuth2 token response lacks a scope claim, causing the system to use...