CVE-2026-11083: Origin Validation Error

Inappropriate implementation in Password Manager in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-11084: Origin Validation Error

Inappropriate implementation in Password Manager in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-11214: Origin Validation Error

Inappropriate implementation in Chrome for iOS in Google Chrome on iOS prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-11133: Origin Validation Error

Insufficient policy enforcement in Paint in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...

(Pwn2Own) Microsoft Edge Origin Validation Error Security Bypass Vulnerability

This vulnerability allows remote attackers to access restricted functionality on affected installations of Microsoft Edge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...

CVE-2026-11161: Origin Validation Error

Inappropriate implementation in DataTransfer in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-11048: Origin Validation Error

Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy via a crafted Chrome Extension. Chromium security severity: Medium...

CVE-2026-11176: Origin Validation Error

Inappropriate implementation in Media in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-10996: Origin Validation Error

Inappropriate implementation in Workers in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error via the cookies parameter, which is processed by connectandsendrequest in client.py. An attacker who can control a redirect on a request that passes cookies on a per-request basis can expose data from those...

Duplicate Advisory: jupyter-server is vulnerable to CORS origin validation bypass when the `allow_origin_pat` configuration is used

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-24qx-w28j-9m6p. This link is maintained to preserve external references. Original Description A vulnerability in jupyter-server versions 1.12.0 through 2.17.0 allows an attacker to bypass CORS origin validation...

GHSA-V42X-X7JP-845H Duplicate Advisory: jupyter-server is vulnerable to CORS origin validation bypass when the `allow_origin_pat` configuration is used

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-24qx-w28j-9m6p. This link is maintained to preserve external references. Original Description A vulnerability in jupyter-server versions 1.12.0 through 2.17.0 allows an attacker to bypass CORS origin validation...

CVE-2026-6657

A vulnerability in jupyter-server versions 1.12.0 through 2.17.0 allows an attacker to bypass CORS origin validation when the alloworiginpat configuration is used. The issue arises from the use of re.match for validating the Origin header, which only anchors at the start of the string. This allow...

EUVD-2026-34104

A vulnerability in jupyter-server versions 1.12.0 through 2.17.0 allows an attacker to bypass CORS origin validation when the alloworiginpat configuration is used. The issue arises from the use of re.match for validating the Origin header, which only anchors at the start of the string. This allow...

CVE-2026-6657 CORS Origin Validation Bypass in jupyter-server

A vulnerability in jupyter-server versions 1.12.0 through 2.17.0 allows an attacker to bypass CORS origin validation when the alloworiginpat configuration is used. The issue arises from the use of re.match for validating the Origin header, which only anchors at the start of the string. This allow...

CVE-2026-6657 CORS Origin Validation Bypass in jupyter-server

A vulnerability in jupyter-server versions 1.12.0 through 2.17.0 allows an attacker to bypass CORS origin validation when the alloworiginpat configuration is used. The issue arises from the use of re.match for validating the Origin header, which only anchors at the start of the string. This allow...

CVE-2026-6657

CVE-2026-6657 affects jupyter-server versions 1.12.0–2.17.0. Root cause: use of re.match() for Origin validation in allow_origin_pat, allowing attacker-controlled domains to bypass CORS checks (e.g., trusted.example.com.evil.com) across CORS headers, WebSocket, referer validation, and login redir...

CVE-2026-6657: Origin Validation Error

A vulnerability in jupyter-server versions 1.12.0 through 2.17.0 allows an attacker to bypass CORS origin validation when the alloworiginpat configuration is used. The issue arises from the use of re.match for validating the Origin header, which only anchors at the start of the string. This allow...

PT-2026-45961

Name of the Vulnerable Software and Affected Versions jupyter-server versions 1.12.0 through 2.17.0 Description An issue exists when the allow origin pat configuration is used, allowing an attacker to bypass Cross-Origin Resource Sharing CORS origin validation. This occurs because the re.match...

RUSTSEC-2026-0279 Rojo development server vulnerable to DNS rebinding, allowing unauthenticated read/write access and local program execution

Rojo's rojo serve command starts an unauthenticated HTTP API on localhost default port 34872 with no Host or Origin header validation. While direct cross-origin fetch requests from a malicious website are blocked by the browser's default CORS policy, an attacker can use DNS rebinding to bypass th...