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6.5
CVE-2026-17854: Google Chrome: Bypassing same-origin policy via crafted HTML page
CVE-2026-17854 · published 3 months ago
Summary
A security issue in older versions of Google Chrome could allow a hacker to bypass security restrictions and access sensitive information on a user's device. This could happen if a user visits a malicious website. To stay safe, make sure to update Google Chrome to the latest version.
What to do
- Update debian chromium to version 151.0.7922.71-1~deb12u1.
- Update debian chromium to version 151.0.7922.71-1~deb13u1.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Debian:11 | debian | chromium | All versions |
| Debian:12 | debian | chromium |
< 151.0.7922.71-1~deb12u1 Fix: upgrade to 151.0.7922.71-1~deb12u1
|
| Debian:13 | debian | chromium |
< 151.0.7922.71-1~deb13u1 Fix: upgrade to 151.0.7922.71-1~deb13u1
|
| Debian:14 | debian | chromium | All versions |
Original advisory text
Insufficient policy enforcement in WebMCP 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)
Insufficient policy enforcement in WebMCP 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)
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Type
CWE-346Origin Validation Error
Timeline
Published30 Jul 2026
Updated4 Nov 2026
First seen30 Jul 2026
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