CWE-346— Origin Validation Error
The product does not properly verify that the source of data or communication is valid.— MITRE CWE catalog
752 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-346page 16 of 16
- CVE-2026-9595MEDIUMCVSS 4.3EG 4.32026-06-15
Impact: When a user-configured proxy on webpack-dev-server has a broad context (e.g. /) and ws: true, it also intercepts the dev server's own HMR WebSocket and forwards it to the proxy target. This leaks the browser's cookies and Origin he…
- CVE-2026-9989MEDIUMCVSS 6.3EG 6.32026-05-28
Inappropriate implementation in Media in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to bypass same origin policy via a crafted video file. (Chromium security severity: High)
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