googleapis/mcp-toolbox: authentication bypass vulnerability in the generic opaque token validation path (validateOpaqueToken)

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint RFC 7662, the toolbox decodes the response into an introspectResp struct where t...

GHSA-8FCC-W5HV-4GXV googleapis/mcp-toolbox: authentication bypass vulnerability in the generic opaque token validation path (validateOpaqueToken)

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint RFC 7662, the toolbox decodes the response into an introspectResp struct where t...

CVE-2026-11717

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint RFC 7662, the toolbox decodes the response into an introspectResp struct where t...

Azure Active Directory Elevation of Privilege Vulnerability

Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network...

CVE-2026-11717

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint RFC 7662, the toolbox decodes the response into an introspectResp struct where t...

CVE-2026-11717

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint RFC 7662, the toolbox decodes the response into an introspectResp struct where t...

CVE-2026-11717

CVE-2026-11717 details an authentication bypass in googleapis/mcp-toolbox, specifically in the validateOpaqueToken path. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint (RFC 7662), the toolbox decodes the response into an introspectResp with Active as a *bool. The ...

CVE-2026-11717

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint RFC 7662, the toolbox decodes the response into an introspectResp struct where t...

EUVD-2026-37879

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint RFC 7662, the toolbox decodes the response into an introspectResp struct where t...

CVE-2026-11717

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint RFC 7662, the toolbox decodes the response into an introspectResp struct where t...

KLA91112 Multiple vulnerabilities in Microsoft Azure

Multiple vulnerabilities were found in Microsoft Azure. Malicious users can exploit these vulnerabilities to gain privileges, obtain sensitive information. Below is a complete list of vulnerabilities: 1. An elevation of privilege vulnerability in Microsoft Azure Synapse can be exploited remotely ...

PT-2026-50659

Name of the Vulnerable Software and Affected Versions googleapis/mcp-toolbox affected versions not specified Description An authentication bypass exists in the generic opaque token validation path validateOpaqueToken. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint...

PT-2026-54544

Уязвимость платформы для управления и защиты идентификационных данных Azure Active Directory связана с недостатками процедуры аутентификации. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, повысить свои привилегии...

CVE-2026-55198 Hermes WebUI < 0.51.443 - Cross-Profile Session Data Exfiltration via Session Export Endpoint

Hermes WebUI before 0.51.443 contains an authorization bypass vulnerability in the session export endpoint that allows authenticated users to access sessions from other profiles. The handlesessionexport handler in api/routes.py fails to verify active-profile ownership before serializing session...

Exploit for Path Traversal in Cisco Catalyst_Sd-Wan_Manager

CVE-2026-20262 - Cisco Catalyst SD-WAN Manager Arbitrary File...

CVE-2026-53847

OpenClaw CVE-2026-53847 affects versions prior to 2026.5.6. It describes a privilege-escalation in the Active Memory write scope where Gateway operators with operator.write access can modify global configuration without operator.admin privileges due to insufficient scope validation. The vulnerabi...

CVE-2026-53847

OpenClaw before 2026.5.6 contains a privilege escalation vulnerability in the Active Memory write scope that allows Gateway operators with operator.write access to modify global configuration without requiring operator.admin privileges. Attackers with operator.write access can exploit insufficien...

CVE-2026-53847 OpenClaw < 2026.5.6 - Privilege Escalation via Active Memory Write Scope

OpenClaw before 2026.5.6 contains a privilege escalation vulnerability in the Active Memory write scope that allows Gateway operators with operator.write access to modify global configuration without requiring operator.admin privileges. Attackers with operator.write access can exploit insufficien...

CVE-2026-53847 OpenClaw < 2026.5.6 - Privilege Escalation via Active Memory Write Scope

OpenClaw before 2026.5.6 contains a privilege escalation vulnerability in the Active Memory write scope that allows Gateway operators with operator.write access to modify global configuration without requiring operator.admin privileges. Attackers with operator.write access can exploit insufficien...

CVE-2026-10831

A denial-of-service vulnerability exists in NPort devices because of improper access control on the command port. The command interface does not properly validate whether a sender is associated with a valid data port session before accepting break signal commands. A remote attacker with network...