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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. May 20, 2026 · NIST NVD

   Detected

   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)

2. Jul 20, 2026 · NIST NVD

   Updated

   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)

Affected

• cpe google/chromeversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-9116

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-9116

  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)

  nvd.nist.gov

References

• Vendor Advisory · chromereleases.googleblog.com
• Permissions Required · issues.chromium.org