@grackle-ai/server has Missing WebSocket Origin Header Validation

Impact The WebSocket upgrade handler in the server validates authentication API key token or session cookie but does not check the Origin header. A malicious webpage on a different origin could initiate a WebSocket connection to ws://localhost:3000/ws if it can leverage the user's session cookie...

CVE-2026-33252

The Go MCP SDK used Go's standard encoding/json. Prior to version 1.4.1, the Go SDK's Streamable HTTP transport accepted browser-generated cross-site POST requests without validating the Origin header and without requiring Content-Type: application/json. In deployments without Authorization,...

CVE-2026-33252

The Go MCP SDK used Go's standard encoding/json. Prior to version 1.4.1, the Go SDK's Streamable HTTP transport accepted browser-generated cross-site POST requests without validating the Origin header and without requiring Content-Type: application/json. In deployments without Authorization,...

CVE-2026-33252 MCP Go SDK Allows Cross-Site Tool Execution for HTTP Servers without Authorizatrion

The Go MCP SDK used Go's standard encoding/json. Prior to version 1.4.1, the Go SDK's Streamable HTTP transport accepted browser-generated cross-site POST requests without validating the Origin header and without requiring Content-Type: application/json. In deployments without Authorization,...

CVE-2026-33252 MCP Go SDK Allows Cross-Site Tool Execution for HTTP Servers without Authorizatrion

The Go MCP SDK used Go's standard encoding/json. Prior to version 1.4.1, the Go SDK's Streamable HTTP transport accepted browser-generated cross-site POST requests without validating the Origin header and without requiring Content-Type: application/json. In deployments without Authorization,...

BIT-JENKINS-2026-33002

Jenkins 2.442 through 2.554 both inclusive, LTS 2.426.3 through LTS 2.541.2 both inclusive performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable t...

Security Bulletin: IBM Engineering Lifecycle Management - Jazz Foundation is impacted by vulnerabilities in Eclipse Paho Java client library

Summary A vulnerability has been identified in Eclipse Paho Java client library, which is used in IBM Engineering Lifecycle Management - Jazz Foundation. Vulnerability Details CVEID:CVE-2019-11777 DESCRIPTION: In the Eclipse Paho Java client library version 1.2.0, when connecting to an MQTT serve...

Origin Validation Error

Overview pyload-ng is a The free and open-source Download Manager written in pure Python Affected versions of this package are vulnerable to Origin Validation Error via the @localcheck decorator. An attacker can gain unauthorized access to restricted API endpoints by spoofing the Host header in...

GHSA-89XV-2J6F-QHC8 Cross-Site Tool Execution for HTTP Servers without Authorizatrion in github.com/modelcontextprotocol/go-sdk

The Go SDK's Streamable HTTP transport accepted browser-generated cross-site POST requests without validating the Origin header and without requiring Content-Type: application/json. In deployments without Authorization, especially stateless or sessionless configurations, this allows an arbitrary...

CVE-2026-33002

A flaw was found in Jenkins. A remote attacker could exploit a vulnerability in the origin validation of requests made through the Command Line Interface CLI WebSocket endpoint. By manipulating the Host or X-Forwarded-Host HTTP headers, an attacker can perform Domain Name System DNS rebinding...

PT-2026-26466

Name of the Vulnerable Software and Affected Versions Go MCP SDK versions prior to 1.4.1 Description The Go MCP SDK’s Streamable HTTP transport was susceptible to accepting browser-generated cross-site POST requests without validating the Origin header or requiring Content-Type: application/json...

Origin Validation Error

Overview Glances is an A cross-platform curses-based monitoring tool Affected versions of this package are vulnerable to Origin Validation Error in the REST/WebUI FastAPI application due to the lack of host header validation and the absence of an allowlist for trusted hosts. An attacker can gain...

Origin Validation Error

Overview Glances is an A cross-platform curses-based monitoring tool Affected versions of this package are vulnerable to Origin Validation Error via the Central Browser mode autodiscovery. An attacker can obtain authentication secrets by advertising a malicious Zeroconf service on the same local...

DNS Rebinding

Overview org.jenkins-ci.main:jenkins-core is an open source automation server. Affected versions of this package are vulnerable to DNS Rebinding in the origin validation process for WebSocket CLI requests due to reliance on the Host or X-Forwarded-Host HTTP headers. An attacker can bypass origin...

GHSA-PHHV-63FH-RRC8 Jenkins has a DNS rebinding vulnerability in WebSocket CLI origin validation

Jenkins 2.442 through 2.554 both inclusive, LTS 2.426.3 through LTS 2.541.2 both inclusive performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable t...

CVE-2026-33002

Jenkins 2.442 through 2.554 both inclusive, LTS 2.426.3 through LTS 2.541.2 both inclusive performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable t...

CVE-2026-33002

Jenkins 2.442 through 2.554 both inclusive, LTS 2.426.3 through LTS 2.541.2 both inclusive performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable t...

CVE-2026-33002

Jenkins 2.442 through 2.554 both inclusive, LTS 2.426.3 through LTS 2.541.2 both inclusive performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable t...

CVE-2026-33002

Jenkins 2.442 through 2.554 both inclusive, LTS 2.426.3 through LTS 2.541.2 both inclusive performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable t...

CVE-2026-33002

Jenkins 2.442 through 2.554 both inclusive, LTS 2.426.3 through LTS 2.541.2 both inclusive performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable t...