CVE-2026-13889: Google Chrome

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Side-channel information leakage in WebAuthentication in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Affected products

• Google Chrome: before 150.0.7871.47 (fixed in 150.0.7871.47)

Published 2026-06-30. Last modified 2026-07-01.