What’s Vulnerable › Vulnerabilities

CVE-2026-19153

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-06 · updated 2026-10-23
• Weakness: CWE-20

Description

Insufficient validation of untrusted input in Workers in Google Chrome prior to 151.0.7922.109 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

Affected products

• Google Chrome: before 151.0.7922.109 — fixed in 151.0.7922.109

How to fix

Upgrade to a fixed version: Google Chrome 151.0.7922.109. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01193673229.html
• https://issues.chromium.org/issues/532939327

Get alerted when CVE-2026-19153 or the next vulnerability affects your stack