Observable discrepancy in Prefetch in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to leak cross-origin data via a crafted HTML… (CVE-2026-87619)
An observable discrepancy in the Prefetch feature of Google Chrome versions prior to 153.0.8010.36 could allow a remote attacker to leak cross-origin data via a crafted HTML page. The issue is classified with low severity by Chromium security. No exploit in the wild has been reported, and no patch information is provided in the available data.
AI Analysis
Technical Summary
CVE-2026-87619 describes a vulnerability in Google Chrome's Prefetch mechanism before version 153.0.8010.36. This flaw allows a remote attacker to create a crafted HTML page that can leak data from other origins due to an observable discrepancy in how Prefetch operates. The vulnerability is related to CWE-203 (Information Exposure Through Discrepancy). No CVSS score or detailed exploit information is available, and no patch or remediation details have been provided in the source data.
Potential Impact
The vulnerability could lead to cross-origin data leakage, potentially exposing sensitive information from other web origins to a remote attacker. The Chromium security team rates this issue as low severity, indicating limited impact or difficulty in exploitation. There are no known exploits in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or fix information is provided, users and administrators should monitor official Google Chrome security advisories for updates addressing this issue.
Observable discrepancy in Prefetch in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to leak cross-origin data via a crafted HTML… (CVE-2026-87619)
Description
An observable discrepancy in the Prefetch feature of Google Chrome versions prior to 153.0.8010.36 could allow a remote attacker to leak cross-origin data via a crafted HTML page. The issue is classified with low severity by Chromium security. No exploit in the wild has been reported, and no patch information is provided in the available data.
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-2026-87619 describes a vulnerability in Google Chrome's Prefetch mechanism before version 153.0.8010.36. This flaw allows a remote attacker to create a crafted HTML page that can leak data from other origins due to an observable discrepancy in how Prefetch operates. The vulnerability is related to CWE-203 (Information Exposure Through Discrepancy). No CVSS score or detailed exploit information is available, and no patch or remediation details have been provided in the source data.
Potential Impact
The vulnerability could lead to cross-origin data leakage, potentially exposing sensitive information from other web origins to a remote attacker. The Chromium security team rates this issue as low severity, indicating limited impact or difficulty in exploitation. There are no known exploits in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or fix information is provided, users and administrators should monitor official Google Chrome security advisories for updates addressing this issue.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-c94f-95hf-7cxh
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-87619"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6aa15f91acd9273b49618a99
Added to database: 09/09/2026, 13:30:57 UTC
Last enriched: 09/09/2026, 14:06:22 UTC
Last updated: 09/09/2026, 20:51:59 UTC
Views: 2
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