CVE-2026-17870

medium

Description

Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)

References

https://issues.chromium.org/issues/521784856

https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html

Details

Source: Mitre, NVD

Published: 2026-07-30

Updated: 2026-08-03

Risk Information

CVSS v2

Base Score: 3.3

Vector: CVSS2#AV:A/AC:L/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 4.3

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

Severity: Medium

EPSS

EPSS: 0.00117