CVE-2026-11206: Policy bypass in Google Chrome
A policy bypass vulnerability in Google Chrome's ServiceWorker implementation prior to version 149.0.7827.53 allows a remote attacker to leak cross-origin data via a crafted HTML page. The issue is classified as medium severity with a CVSS score of 6.5. This vulnerability affects Chrome versions before 149.0.7827.53. No known exploits are reported in the wild. Google has published an advisory linked to a stable channel update but has not explicitly stated the patch status in the provided data.
AI Analysis
Technical Summary
CVE-2026-11206 is a vulnerability in Google Chrome where insufficient policy enforcement in the ServiceWorker component allows a remote attacker to bypass security policies and leak cross-origin data by delivering a crafted HTML page. This affects versions of Chrome prior to 149.0.7827.53. The vulnerability is rated medium severity with a CVSS 3.1 base score of 6.5, reflecting high confidentiality impact but no integrity or availability impact. The vendor advisory is available but does not explicitly confirm patch availability or remediation level in the provided data.
Potential Impact
The vulnerability enables remote attackers to bypass policy enforcement in ServiceWorker, leading to leakage of cross-origin data. This compromises confidentiality but does not affect integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html for current remediation guidance. Until confirmation, users should update to the latest Chrome version when available to mitigate this vulnerability.
CVE-2026-11206: Policy bypass in Google Chrome
Description
A policy bypass vulnerability in Google Chrome's ServiceWorker implementation prior to version 149.0.7827.53 allows a remote attacker to leak cross-origin data via a crafted HTML page. The issue is classified as medium severity with a CVSS score of 6.5. This vulnerability affects Chrome versions before 149.0.7827.53. No known exploits are reported in the wild. Google has published an advisory linked to a stable channel update but has not explicitly stated the patch status in the provided data.
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-2026-11206 is a vulnerability in Google Chrome where insufficient policy enforcement in the ServiceWorker component allows a remote attacker to bypass security policies and leak cross-origin data by delivering a crafted HTML page. This affects versions of Chrome prior to 149.0.7827.53. The vulnerability is rated medium severity with a CVSS 3.1 base score of 6.5, reflecting high confidentiality impact but no integrity or availability impact. The vendor advisory is available but does not explicitly confirm patch availability or remediation level in the provided data.
Potential Impact
The vulnerability enables remote attackers to bypass policy enforcement in ServiceWorker, leading to leakage of cross-origin data. This compromises confidentiality but does not affect integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html for current remediation guidance. Until confirmation, users should update to the latest Chrome version when available to mitigate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:10:49.639Z
- 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: 6a220868e29bf47b50dbd6d1
Added to database: 06/04/2026, 23:21:12 UTC
Last enriched: 06/12/2026, 10:41:10 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 146
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