CVE-2026-9116

MEDIUM

Google Chrome < 148.0.7778.179 - Cross-Origin Data Leak via ServiceWorker Policy Bypass

Title source: llm

Description

Insufficient policy enforcement in ServiceWorker in Google Chrome on prior to 148.0.7778.179 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

References (2)

Core 2

Core References

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html

https://issues.chromium.org/issues/497436273

Scores

CVSS v3 4.3

EPSS 0.0003

EPSS Percentile 9.5%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-693

Status published

Products (2)

google/chrome < 148.0.7778.179

Google/Chrome 148.0.7778.179

Published May 20, 2026

Tracked Since May 21, 2026