CVE-2026-11153: Side-channel information leakage in Google Chrome
A side-channel information leakage vulnerability exists in Google Chrome Forms prior to version 149.0.7827.53. This flaw allows a remote attacker to leak cross-origin data by using a crafted HTML page. The vulnerability has a high CVSS score of 9.1 and is classified as critical severity. No official patch or remediation level is explicitly stated in the provided data, but a vendor advisory link is available for further details.
AI Analysis
Technical Summary
CVE-2026-11153 is a side-channel information leakage vulnerability in Google Chrome Forms affecting versions before 149.0.7827.53. It enables a remote attacker to leak cross-origin data via a specially crafted HTML page. The vulnerability is classified under CWE-1300 and has a CVSS 3.1 base score of 9.1, indicating critical impact with high confidentiality and integrity impact and no required privileges or user interaction. The vendor advisory is published but does not explicitly state patch availability or remediation level in the provided data.
Potential Impact
An attacker can remotely exploit this vulnerability to leak sensitive cross-origin data, compromising confidentiality and integrity of user information accessible through Chrome Forms. The vulnerability does not affect 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 official fixes are confirmed, users should exercise caution when visiting untrusted websites. No explicit temporary or official fixes are stated in the provided data.
CVE-2026-11153: Side-channel information leakage in Google Chrome
Description
A side-channel information leakage vulnerability exists in Google Chrome Forms prior to version 149.0.7827.53. This flaw allows a remote attacker to leak cross-origin data by using a crafted HTML page. The vulnerability has a high CVSS score of 9.1 and is classified as critical severity. No official patch or remediation level is explicitly stated in the provided data, but a vendor advisory link is available for further details.
CVSS v3.1
Score 9.1critical
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-2026-11153 is a side-channel information leakage vulnerability in Google Chrome Forms affecting versions before 149.0.7827.53. It enables a remote attacker to leak cross-origin data via a specially crafted HTML page. The vulnerability is classified under CWE-1300 and has a CVSS 3.1 base score of 9.1, indicating critical impact with high confidentiality and integrity impact and no required privileges or user interaction. The vendor advisory is published but does not explicitly state patch availability or remediation level in the provided data.
Potential Impact
An attacker can remotely exploit this vulnerability to leak sensitive cross-origin data, compromising confidentiality and integrity of user information accessible through Chrome Forms. The vulnerability does not affect 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 official fixes are confirmed, users should exercise caution when visiting untrusted websites. No explicit temporary or official fixes are stated in the provided data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:10:31.663Z
- 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: 6a220854e29bf47b50dbcb4b
Added to database: 06/04/2026, 23:20:52 UTC
Last enriched: 06/12/2026, 10:32:03 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 50
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.