What’s Vulnerable › Vulnerabilities

CVE-2026-9115

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-20 · updated 2026-07-23
• Weakness: CWE-693

Description

Insufficient policy enforcement in Service Worker in Google Chrome on prior to 148.0.7778.179 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)

Affected products

• Google Chrome: before 148.0.7778.179 — fixed in 148.0.7778.179

How to fix

Upgrade to a fixed version: Google Chrome 148.0.7778.179. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html
• https://issues.chromium.org/issues/495999481

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