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...

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...

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...

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...

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...

DNS rebinding vulnerability in WebSocket CLI origin validation

Jenkins has a built-in command line interface CLI to access Jenkins from a script or shell environment. Since Jenkins 2.217 and LTS 2.222.1, one of the ways to communicate with the CLI is through a WebSocket endpoint. This endpoint relies on the default Jenkins web request authentication...

CVE-2026-33002: Reliance on Reverse DNS Resolution for a Security-Critical Action

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-2026-32634: Origin Validation Error

Glances is an open-source system cross-platform monitoring tool. Prior to version 4.5.2, in Central Browser mode, Glances stores both the Zeroconf-advertised server name and the discovered IP address for dynamic servers, but later builds connection URIs from the untrusted advertised name instead ...

PT-2026-26074

Name of the Vulnerable Software and Affected Versions Jenkins versions 2.442 through 2.554 Jenkins LTS versions 2.426.3 through 2.541.2 Description The software does not properly validate the origin of requests made through the CLI WebSocket endpoint. It calculates the expected origin using the...

jenkins -- multiple vulnerabilities

Jenkins Security Advisory 2026-03-18: SECURITY-3657 / CVE-2026-33001: Arbitrary file write vulnerability through specially crafted archives in Jenkins High SECURITY-3674 / CVE-2026-33002: DNS rebinding vulnerability in WebSocket CLI origin validation in Jenkins High...

Missing Origin Validation in WebSockets

Overview next is a react framework. Affected versions of this package are vulnerable to Missing Origin Validation in WebSockets in the internal dev endpoint when the Origin header is set to null. An attacker can interact with internal development websocket traffic by connecting from...