High [CVE-2026-17823] Same-Origin Policy Bypass via Insufficient Policy Enforcement in WebXR
This high-severity Red Hat Linux advisory covers CVE-2026-17823.
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Summary
Insufficient policy enforcement in WebXR in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium) By crafting a malicious HTML page, an attacker could exploit this to gain unauthorized access to sensitive information or actions across different web origins.
This vulnerability in the WebXR component of `chromium-browser` is rated as Important. User interaction, such as visiting a malicious website, is required for exploitation.
Red Hat severity: Important — CVSS 7.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N). Weakness: CWE-346.
- < 151.0.7922.72
Official advisory · high-confidence parse· fetched 11 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 11 days ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · high-confidence parse· fetched 11 days ago·verify at source
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