CVE-2026-121103

medium

Description

Incorrect authorization in Extensions in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted Chrome extension. (Chromium security severity: Medium)

References

https://issues.chromium.org/issues/553138801

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-116470

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

Details

Source: Mitre, NVD

Published: 2026-11-03

Updated: 2026-11-03

Risk Information

CVSS v2

Base Score: 4.3

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

Severity: Medium

CVSS v3

Base Score: 6.5

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