What is CVE-2026-5919?

CVE-2026-5919 is a medium-severity vulnerability in Apple Macos, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-04-08.

How severe is CVE-2026-5919?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Apple Macos

CVE-2026-5919

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 se…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.000 (12.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chrome-cve-admin@google.com (Release Notes, Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required)

Frequently asked questions

What is CVE-2026-5919?: CVE-2026-5919 is a medium-severity vulnerability in Apple Macos, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-04-08.
How severe is CVE-2026-5919?: Medium severity. CVSS v3 base score is 6.5 out of 10.