Missing authorization in AppManifest in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process and… (CVE-2026-91732)
Missing authorization in AppManifest in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
AI Analysis
Technical Summary
CVE-2026-91732 describes a missing authorization flaw in the AppManifest of Google Chrome before version 153.0.8010.47. This vulnerability enables a remote attacker, who has compromised the renderer process, to bypass the web origin policy by leveraging social engineering with a specially crafted HTML page. The flaw relates to improper enforcement of authorization checks within the AppManifest component, classified under CWE-862 (Missing Authorization).
Potential Impact
An attacker with control over the renderer process can bypass web origin policy restrictions, potentially allowing unauthorized access to web resources or actions that should be restricted by origin. This could lead to unauthorized data access or manipulation within the browser context. The severity is rated medium by the Chromium security team.
Mitigation Recommendations
A fix is available in Google Chrome version 153.0.8010.47. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Missing authorization in AppManifest in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process and… (CVE-2026-91732)
Description
Missing authorization in AppManifest in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-91732 describes a missing authorization flaw in the AppManifest of Google Chrome before version 153.0.8010.47. This vulnerability enables a remote attacker, who has compromised the renderer process, to bypass the web origin policy by leveraging social engineering with a specially crafted HTML page. The flaw relates to improper enforcement of authorization checks within the AppManifest component, classified under CWE-862 (Missing Authorization).
Potential Impact
An attacker with control over the renderer process can bypass web origin policy restrictions, potentially allowing unauthorized access to web resources or actions that should be restricted by origin. This could lead to unauthorized data access or manipulation within the browser context. The severity is rated medium by the Chromium security team.
Mitigation Recommendations
A fix is available in Google Chrome version 153.0.8010.47. 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
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-jwg9-gm8x-fj64
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-91732"]
- State
- PUBLISHED
Threat ID: 6aaa07d355bf5e2cf5ea26f0
Added to database: 09/16/2026, 03:06:59 UTC
Last enriched: 09/16/2026, 03:15:02 UTC
Last updated: 09/16/2026, 05:01:22 UTC
Views: 1
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.