CVE-2026-11259

CVE-2026-11259

Vendor Google

Product Chrome

Weakness CWE-20 · Input validation

Published June 4, 2026

Last update June 5, 2026

View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

Insufficient validation of untrusted input in Cast in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Low)

Key dates

02Disclosure timeline

June 4, 2026 CVE published

June 5, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-11259 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/20.html

Related vulnerabilities

01Description

02Disclosure timeline

03References

04Related CVE