What’s Vulnerable › Vulnerabilities

CVE-2026-5919

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-08 · updated 2026-07-24
• Weakness: CWE-20

Description

Insufficient validation of untrusted input in WebSockets in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. (Chromium security severity: Low)

Affected products

• Google Chrome: before 147.0.7727.55 — fixed in 147.0.7727.55

How to fix

Upgrade to a fixed version: Google Chrome 147.0.7727.55. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html
• https://issues.chromium.org/issues/483423893

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