CVE-2026-5919 — MEDIUM (6.5)

Q: How severe is CVE-2026-5919?

CVE-2026-5919 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-5919?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos, Linux Linux Kernel, Microsoft Windows.

Vulnerability 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)

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Chrome	< 147.0.7727.55
Apple	Macos	-
Linux	Linux Kernel	-
Microsoft	Windows	-

Related Weaknesses (CWE)

CWE-20

References

https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.Release NotesVendor Advisory
https://issues.chromium.org/issues/483423893Permissions Required

FAQ

What is CVE-2026-5919?

CVE-2026-5919 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 c...

How severe is CVE-2026-5919?

CVE-2026-5919 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-5919?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos, Linux Linux Kernel, Microsoft Windows.