PYSEC-2026-3474 LightRAG: CORS Wildcard + Credentials Enables Any-Origin Credentialed Requests

Summary The server defaults to CORSORIGINS= combined with allowcredentials=True. Starlette's CORSMiddleware echoes the requesting origin in preflight responses when credentials are enabled, meaning every origin is effectively whitelisted for credentialed cross-origin requests. Any malicious websi...

PYSEC-2026-3483 MCP Python SDK: WebSocket server transport does not support Host/Origin validation

Summary In affected versions, the deprecated WebSocket server transport mcp.server.websocket.websocketserver accepted the WebSocket handshake without applying any Host or Origin header validation. The TransportSecuritySettings mechanism that the SSE and Streamable HTTP transports use for this...

PYSEC-2026-3465 FiftyOne App server uses wildcard CORS (Access-Control-Allow-Origin: *), enabling cross-origin reads of local server data

Impact The FiftyOne App/API server fiftyone/server/app.py and the /media route fiftyone/server/routes/media.py unconditionally set a permissive CORS header Access-Control-Allow-Origin: on their responses. Because the embedded App server runs locally and is unauthenticated, this allows any website...

PYSEC-2026-3459 Anki's local HTTP server does not sufficiently validate requests

Summary Anki launches a local HTTP server to serve media files and web pages for parts of its interface. While the server has a CORS setup, requests from other origins were not blocked, allowing malicious websites to potentially trigger side-effecting requests. Browser impact The severity varies ...

PYSEC-2026-3539 sanic-cors contains an improper regular expression in the try_match() function

sanic-cors version 2.2.0 and prior contains an improper regular expression in the trymatch function in saniccors/core.py that uses re.match without end-anchoring. This allows an attacker to bypass CORS origin allowlists by registering a domain that begins with a trusted origin string, to gain...

Astra Linux – Vulnerability in Chromium

Before version 149.0.7827.53, reading out of bounds in Skia using Google Chrome allowed a remote attacker to leak cross-origin data through a crafted HTML page. Chromium security severity: High...

Astra Linux – Vulnerability in Chromium

Insufficient validation of untrusted input in DevTools in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. Chromium security severity: Low...

Astra Linux – Vulnerability in Chromium

Insufficient validation of untrusted inputs in WebAppInstalls in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

Uninitialized use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

Insufficient validation of untrusted input in the GPU component of Google Chrome prior to version 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in Extensions 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...

Astra Linux – Vulnerability in Chromium

The use of uninitialized variables in Skia in Google Chrome prior to version 149.0.7827.53 allowed a remote attacker to leak cross-origin data through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in Passwords in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

The use of uninitialized variables in Skia in Google Chrome prior to version 149.0.7827.53 allowed a remote attacker to leak cross-origin data through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in Paint 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...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in Related-Website-Sets in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. Chromium security severity: Low...

Astra Linux – Vulnerability in Chromium

The use of uninitialized variables in Skia in Google Chrome prior to version 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data through a crafted HTML page. Chromium security severity: High...

Astra Linux – Vulnerability in Chromium

The use of uninitialized variables in ANGLE in Google Chrome prior to version 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

Insufficient data validation in DevTools in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. Chromium security severity: Low...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in Web Share in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. Chromium security severity: Medium...