CVE-2026-11278: Inappropriate implementation in Google Chrome
A vulnerability in Google Chrome on Android prior to version 149.0.7827.53 allows a local attacker to leak cross-origin data via a crafted HTML page due to an inappropriate implementation in the CustomTabs feature. The issue has a medium severity rating with a CVSS score of 6.5. No known exploits are reported in the wild. The vulnerability relates to CWE-346 (Inadequate Verification of Data Authenticity).
AI Analysis
Technical Summary
CVE-2026-11278 is a vulnerability in the CustomTabs implementation of Google Chrome on Android versions before 149.0.7827.53. This flaw permits a local attacker to leak cross-origin data by leveraging a crafted HTML page, violating the same-origin policy. The vulnerability is classified with a medium severity and a CVSS score of 6.5 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N), indicating that it can be exploited remotely without privileges but requires user interaction. No official remediation level or patch details are explicitly stated in the provided data, but the affected versions are prior to 149.0.7827.53. The vendor advisory link points to a Chrome stable channel update blog, which likely contains patch information.
Potential Impact
The vulnerability allows unauthorized disclosure of sensitive cross-origin data to a local attacker through a crafted HTML page, potentially compromising user privacy and data confidentiality. There is no indication of integrity or availability impact. No known exploits are currently reported in the wild.
Mitigation Recommendations
A fix is available in Google Chrome version 149.0.7827.53. Users and administrators should update affected Chrome installations on Android to version 149.0.7827.53 or later to remediate this vulnerability. Since this is not a cloud service, remediation depends on applying the update. Refer to the official Google Chrome stable channel update advisory for confirmation and further details: https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html
CVE-2026-11278: Inappropriate implementation in Google Chrome
Description
A vulnerability in Google Chrome on Android prior to version 149.0.7827.53 allows a local attacker to leak cross-origin data via a crafted HTML page due to an inappropriate implementation in the CustomTabs feature. The issue has a medium severity rating with a CVSS score of 6.5. No known exploits are reported in the wild. The vulnerability relates to CWE-346 (Inadequate Verification of Data Authenticity).
CVSS v3.1
Score 6.5medium
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-11278 is a vulnerability in the CustomTabs implementation of Google Chrome on Android versions before 149.0.7827.53. This flaw permits a local attacker to leak cross-origin data by leveraging a crafted HTML page, violating the same-origin policy. The vulnerability is classified with a medium severity and a CVSS score of 6.5 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N), indicating that it can be exploited remotely without privileges but requires user interaction. No official remediation level or patch details are explicitly stated in the provided data, but the affected versions are prior to 149.0.7827.53. The vendor advisory link points to a Chrome stable channel update blog, which likely contains patch information.
Potential Impact
The vulnerability allows unauthorized disclosure of sensitive cross-origin data to a local attacker through a crafted HTML page, potentially compromising user privacy and data confidentiality. There is no indication of integrity or availability impact. No known exploits are currently reported in the wild.
Mitigation Recommendations
A fix is available in Google Chrome version 149.0.7827.53. Users and administrators should update affected Chrome installations on Android to version 149.0.7827.53 or later to remediate this vulnerability. Since this is not a cloud service, remediation depends on applying the update. Refer to the official Google Chrome stable channel update advisory for confirmation and further details: https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:11:13.367Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 6a220ee9e29bf47b50de3972
Added to database: 06/04/2026, 23:48:57 UTC
Last enriched: 06/12/2026, 10:23:17 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 63
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