PraisonAI has an origin validation bypass in MCP HTTP Stream transport that allows browser-mediated unauthenticated tool execution on local MCP server

SummaryPraisonAI's MCP HTTP Stream transport uses an unsafe prefix match when validating the Origin header. The default localhost allowlist includes origins such as http://localhost, and the validation accepts any origin that starts with an allowed value.As a result, an attacker-controlled origin...

PYSEC-2026-3896 PraisonAI has an origin validation bypass in MCP HTTP Stream transport that allows browser-mediated unauthenticated tool execution on local MCP server

Summary PraisonAI's MCP HTTP Stream transport uses an unsafe prefix match when validating the Origin header. The default localhost allowlist includes origins such as http://localhost, and the validation accepts any origin that starts with an allowed value. As a result, an attacker-controlled orig...

SUSE CVE-2026-87563

Origin validation error in Paint in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. Chromium security severity: Medium...

PT-2026-89574

Name of the Vulnerable Software and Affected Versions career-ops versions prior to 0.8.0 Description The local web dashboard web/ exposes /api routes that allow command spawning and user-file writing without validating the request origin or restricting clients to loopback addresses. This allows...

CVE-2026-87563

An origin validation error flaw was found in the Paint component of the Chromium browser. Upstream bugs: https://code.google.com/p/chromium/issues/detail?id=532952073...

CVE-2026-87563

Origin validation error in Paint in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. Chromium security severity: Medium...

DEBIAN-CVE-2026-87563

Origin validation error in Paint in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-87563

Origin validation error in Paint in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-87563

Origin validation error in Paint in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-87563

Origin validation error in Paint in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. Chromium security severity: Medium...

EUVD-2026-74410

Origin validation error in Paint in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-87563

An origin validation error in the Paint component of Google Chrome prior to version 153.0.8010.36 allows a remote attacker to obtain cross-origin data through a crafted HTML page. This vulnerability is associated with Chromium and impacts various distributions, including Astra Linux , Debian , an...

CVE-2026-87563

Origin validation error in Paint in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-87563: Origin Validation Error

Origin validation error in Paint in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. Chromium security severity: Medium...

Linux Distros Unpatched Vulnerability : CVE-2026-87563

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Origin validation error in Paint in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. Chromium...

CVE-2026-86074

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the Instance AI credential setup flow accepted a credential test or verification URL without checking that it matched the workflow node's origin. Attacker-controlled fetched content could influence that URL after a us...

CVE-2026-69680

Origin validation error in Windows DNS allows an unauthorized attacker to perform spoofing over a network...

CVE-2026-69559

Origin validation error in Microsoft Teams for Android allows an authorized attacker to disclose information over a network...

CVE-2026-58649

Origin validation error in .NET allows an unauthorized attacker to disclose information over a network...

Origin Validation Error

Overview apache-airflow-providers-fab is a Provider package apache-airflow-providers-fab for Apache Airflow Affected versions of this package are vulnerable to Origin Validation Error due to missing issuer and audience validation in decodeandvalidateazurejwt in...