CVE-2026-37977

A flaw was found in Keycloak. A remote attacker can exploit a Cross-Origin Resource Sharing CORS header injection vulnerability in Keycloak's User-Managed Access UMA token endpoint. This flaw occurs because the azp claim from a client-supplied JSON Web Token JWT is used to set the...

CVE-2026-37977 Keycloak: org.keycloak.protocol.oidc.grants.ciba: keycloak: information disclosure via cors header injection due to unvalidated jwt azp claim

A flaw was found in Keycloak. A remote attacker can exploit a Cross-Origin Resource Sharing CORS header injection vulnerability in Keycloak's User-Managed Access UMA token endpoint. This flaw occurs because the azp claim from a client-supplied JSON Web Token JWT is used to set the...

CVE-2026-37977

CVE-2026-37977 affects Keycloak’s User-Managed Access (UMA) token endpoint. A flaw in CORS handling arises when the azp claim from a client-supplied JWT is used to set the Access-Control-Allow-Origin header before JWT validation, allowing an attacker-controlled origin to be reflected in responses...

CVE-2026-37977

A flaw was found in Keycloak. A remote attacker can exploit a Cross-Origin Resource Sharing CORS header injection vulnerability in Keycloak's User-Managed Access UMA token endpoint. This flaw occurs because the azp claim from a client-supplied JSON Web Token JWT is used to set the...

CVE-2026-33533

A flaw was found in Glances, an open-source system monitoring tool. The Glances XML-RPC server, when activated, sends a wildcard Access-Control-Allow-Origin header and does not validate the Content-Type header. This allows a remote attacker to craft a malicious webpage that can issue a Cross-Orig...

PYSEC-2026-2173

Glances is an open-source system cross-platform monitoring tool. Prior to version 4.5.3, the Glances XML-RPC server activated with glances -s or glances --server sends Access-Control-Allow-Origin: on every HTTP response. Because the XML-RPC handler does not validate the Content-Type header, an...

[SECURITY] Fedora 43 Update: gnome-remote-desktop-49.3-2.fc43

GNOME Remote Desktop is a remote desktop and screen sharing service for the GNOME desktop environment...

PT-2026-29874

Fireshare facilitates self-hosted media and link sharing. Prior to version 1.5.3, the fix for CVE-2026-33645 was applied to the authenticated /api/uploadChunked endpoint but was not applied to the unauthenticated /api/uploadChunked/public endpoint in the same file app/server/fireshare/api.py. An...

SUSE CVE-2026-0397

When the internal webserver is enabled default is disabled, an attacker might be able to trick an administrator logged to the dashboard into visiting a malicious website and extract information about the running configuration from the dashboard. The root cause of the issue is a misconfiguration o...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the MCP server insecure CORS configuration and lack of authentication in the MCP interface. An attacker can gain unauthorized control over all active sessions and exfiltrate sensitive data...

CVE-2026-0397

A flaw was found in the internal webserver of dnsdist and PowerDNS. When the internal webserver is enabled, a remote attacker can exploit a misconfiguration in the Cross-Origin Resource Sharing CORS policy. By tricking an administrator logged into the dashboard into visiting a malicious website,...

Permissive Cross-domain Policy with Untrusted Domains

Overview Affected versions of this package are vulnerable to Permissive Cross-domain Policy with Untrusted Domains via the CLI MCP server. An attacker can gain unauthorized access to privileged tools by issuing cross-origin requests from a malicious website on the same machine, leveraging the...

CVE-2026-34237

MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to versions 0.83.0, 1.0.1, and 1.1.1, there is a hardcoded wildcard CORS vulnerability. This issue has been patched in versions 0.83.0, 1.0.1, and 1.1.1...

CVE-2026-34237 MCP Java SDK has a Hardcoded Wildcard CORS (Access-Control-Allow-Origin: *)

MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to versions 0.83.0, 1.0.1, and 1.1.1, there is a hardcoded wildcard CORS vulnerability. This issue has been patched in versions 0.83.0, 1.0.1, and 1.1.1...

CVE-2026-34227 Sliver One-Click Remote Access: Insecure CORS & Unauthenticated MCP Interface

Sliver is a command and control framework that uses a custom Wireguard netstack. Prior to version 1.7.4, a single click on a malicious link gives an unauthenticated attacker immediate, silent control over every active C2 session or beacon, capable of exfiltrating all collected target data e.g. SS...

CVE-2026-34227

Sliver is an open-source C2 framework using a custom WireGuard netstack. Technical details in connected docs show a vulnerability in versions prior to 1.7.4 where a single click on a malicious link can grant an unauthenticated attacker immediate, silent control over active C2 sessions or beacons,...

EUVD-2026-17363

When the internal webserver is enabled default is disabled, an attacker might be able to trick an administrator logged to the dashboard into visiting a malicious website and extract information about the running configuration from the dashboard. The root cause of the issue is a misconfiguration o...

CVE-2026-0397

When the internal webserver is enabled default is disabled, an attacker might be able to trick an administrator logged to the dashboard into visiting a malicious website and extract information about the running configuration from the dashboard. The root cause of the issue is a misconfiguration o...

CVE-2026-0397

When the internal webserver is enabled default is disabled, an attacker might be able to trick an administrator logged to the dashboard into visiting a malicious website and extract information about the running configuration from the dashboard. The root cause of the issue is a misconfiguration o...

CVE-2026-0397

When the internal webserver is enabled default is disabled, an attacker might be able to trick an administrator logged to the dashboard into visiting a malicious website and extract information about the running configuration from the dashboard. The root cause of the issue is a misconfiguration o...