CVE-2026-13959: Insufficient validation of untrusted input in Google Chrome
CVE-2026-13959 is a vulnerability in Google Chrome's Blink rendering engine prior to version 150.0.7871.47. It involves insufficient validation of untrusted input, which allows a remote attacker to bypass the same origin policy by using a crafted HTML page. This vulnerability has been assigned a medium severity by Chromium security. No CVSS score is provided. The issue is addressed in Chrome version 150.0.7871.47.
AI Analysis
Technical Summary
This vulnerability in Google Chrome's Blink engine allows remote attackers to bypass the same origin policy due to insufficient validation of untrusted input. The flaw affects versions of Chrome prior to 150.0.7871.47. Exploitation requires a crafted HTML page. The vulnerability is classified as medium severity by Chromium security. There is no CVSS score available. The vendor advisory indicates the issue is fixed in version 150.0.7871.47.
Potential Impact
Successful exploitation of this vulnerability could allow a remote attacker to bypass the same origin policy, potentially enabling unauthorized access to web content from different origins. This could lead to information disclosure or other security issues related to cross-origin restrictions. However, the severity is rated medium, indicating a moderate impact.
Mitigation Recommendations
A fix is available in Google Chrome version 150.0.7871.47. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-13959: Insufficient validation of untrusted input in Google Chrome
Description
CVE-2026-13959 is a vulnerability in Google Chrome's Blink rendering engine prior to version 150.0.7871.47. It involves insufficient validation of untrusted input, which allows a remote attacker to bypass the same origin policy by using a crafted HTML page. This vulnerability has been assigned a medium severity by Chromium security. No CVSS score is provided. The issue is addressed in Chrome version 150.0.7871.47.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome's Blink engine allows remote attackers to bypass the same origin policy due to insufficient validation of untrusted input. The flaw affects versions of Chrome prior to 150.0.7871.47. Exploitation requires a crafted HTML page. The vulnerability is classified as medium severity by Chromium security. There is no CVSS score available. The vendor advisory indicates the issue is fixed in version 150.0.7871.47.
Potential Impact
Successful exploitation of this vulnerability could allow a remote attacker to bypass the same origin policy, potentially enabling unauthorized access to web content from different origins. This could lead to information disclosure or other security issues related to cross-origin restrictions. However, the severity is rated medium, indicating a moderate impact.
Mitigation Recommendations
A fix is available in Google Chrome version 150.0.7871.47. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-29T23:04:01.967Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html","vendor":"Google"}]
Threat ID: 6a444c2327e9c7971985ce8d
Added to database: 06/30/2026, 23:07:15 UTC
Last enriched: 07/01/2026, 02:39:08 UTC
Last updated: 07/01/2026, 02:39:08 UTC
Views: 2
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