CVE-2026-121063

Description

Incorrect authorization in CacheStorage in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

References

https://issues.chromium.org/issues/499181801

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-116449

https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3