EUVD-2026-103186

LoopX serve-status permissive CORS policy exposes control-plane state and private Markdown files...

CVE-2026-108372

Open and provider-neutral, LoopX is a lightweight state kernel and local-first control plane for loop engineering. From version 0.0.1 until 0.4.5, "loopx serve-status" in "loopx/statusserver.py" uses "StatusRequestHandler.sendjson" and "doOPTIONS" to send "Access-Control-Allow-Origin: " for...

EUVD-2026-97634

Network-AI npm network-ai before 5.15.2 contains an origin validation error in McpSseServer.handleRequest in lib/mcp-transport-sse.ts that reflects localhost Origins into Access-Control-Allow-Origin regardless of bind interface. When the server binds a non-loopback address, an attacker page with ...

CVE-2026-109332: Origin Validation Error

Network-AI npm network-ai before 5.15.2 contains an origin validation error in McpSseServer.handleRequest in lib/mcp-transport-sse.ts that reflects localhost Origins into Access-Control-Allow-Origin regardless of bind interface. When the server binds a non-loopback address, an attacker page with ...

PT-2026-108451

Security vulnerability affects the wildfly package. A flaw was found in RESTEasy's CorsFilter, which, when configured to allow all origins "", reflects the request's Origin header back in the Access-Control-Allow-Origin response together with Access-Control-Allow-Credentials: true...

PT-2026-97558

Name of the Vulnerable Software and Affected Versions RabbitMQ versions prior to 3.13.17 RabbitMQ versions prior to 4.0.22 RabbitMQ versions prior to 4.1.13 RabbitMQ versions prior to 4.2.6 Description In the management plugin, the match origin/1 function within rabbit mgmt cors.erl incorrectly...

PT-2026-96694

Name of the Vulnerable Software and Affected Versions open-vsx.org affected versions not specified Description The deployment of the service returned an Access-Control-Allow-Origin header that reflected the requesting origin combined with Access-Control-Allow-Credentials: true on authenticated...

SUSE CVE-2026-89058

A flaw was found in RESTEasy's CorsFilter, which, when configured to allow all origins "", reflects the request's Origin header back in the Access-Control-Allow-Origin response together with Access-Control-Allow-Credentials: true. This permissive cross-origin policy allows a malicious website to...

PT-2026-95296

Name of the Vulnerable Software and Affected Versions RESTEasy affected versions not specified Description A flaw exists in the CorsFilter component. When configured to allow all origins using the "" wildcard, the filter reflects the request's Origin header in the Access-Control-Allow-Origin...

CVE-2026-89058: Origin Validation Error

A flaw was found in RESTEasy's CorsFilter, which, when configured to allow all origins "", reflects the request's Origin header back in the Access-Control-Allow-Origin response together with Access-Control-Allow-Credentials: true. This permissive cross-origin policy allows a malicious website to...

CVE-2026-70486

Open WebUI (self-hosted AI platform) versions 0.9.0–0.11.0 contain a Same-Origin/XSS risk in the terminal file-preview iframe: the serveUrl iframe branch granted allow-same-origin and allow-scripts for HTML files from the app origin, enabling an authenticated user with terminal server access to r...

CVE-2026-67200: Improper Limitation of a Pathname to a Restricted Directory

Perspective 5.0.0 contains a path traversal vulnerability that allows unauthenticated remote attackers to read arbitrary files from the server filesystem by including literal ../ segments in HTTP request URL paths. Attackers can bypass the insufficient query-string-stripping sanitization to...

PYSEC-2026-3472 jupyter-server is vulnerable to CORS origin validation bypass when the `allow_origin_pat` configuration is used

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...

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

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-2026-62387: Permissive Cross-domain Policy with Untrusted Domains

The Grav API plugin getgrav/grav-plugin-api before 1.0.0-rc.16 shipped Access-Control-Allow-Origin: as its default CORS configuration on all responses, including authenticated endpoints and preflight OPTIONS responses. Because the plugin accepts credentials via the Authorization and X-API-Token...

Permissive Cross-domain Policy with Untrusted Domains

Overview fiftyone is a FiftyOne: the open-source tool for building high-quality datasets and computer vision models Affected versions of this package are vulnerable to Permissive Cross-domain Policy with Untrusted Domains via the Access-Control-Allow-Origin header in the server response. An...

CVE-2026-54753: Exposed Dangerous Method or Function

Nx is a monorepo solution for TypeScript and polyglot codebases. From 17.0.4 until 22.7.2 and 23.0.0-beta.2, the local HTTP server started by nx graph sent Access-Control-Allow-Origin: on every response, letting any website a developer visited read the server's responses cross-origin — including...

CVE-2026-6657

A flaw was found in jupyter-server. A remote attacker can bypass Cross-Origin Resource Sharing CORS origin validation when the alloworiginpat configuration is used. This vulnerability allows malicious domains to pass validation against patterns intended for trusted domains. This could lead to...

SUSE 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...

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...