Improper access control in Extensions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially leak sensitive information… (CVE-2026-113129)
Description
A medium severity vulnerability (CVE-2026-113129) in Google Chrome extensions prior to version 156.0.8078.47 allows a remote attacker to potentially leak sensitive information by exploiting improper access control via a crafted HTML page. The vulnerability does not impact integrity or availability but can lead to confidentiality loss.
CVSS v3.1
Score 6.5medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-113129 describes an improper access control vulnerability in the Extensions component of Google Chrome versions before 156.0.8078.47. This flaw enables a remote attacker, without privileges, to cause sensitive information leakage by delivering a specially crafted HTML page. The vulnerability has a CVSS 3.1 base score of 6.5, indicating medium severity, with an attack vector of network, low attack complexity, no privileges required, user interaction required, and impacts confidentiality only.
Potential Impact
Successful exploitation can lead to unauthorized disclosure of sensitive information from the affected Chrome browser extensions. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A fix is available in Google Chrome version 156.0.8078.47 and later. Users and administrators should update to this version or later to remediate the vulnerability. Since this is not a cloud service, remediation depends on applying the browser update.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-rfx5-rp7q-7g2x
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-113129"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad91cdf4d27ba8daafaa6a1
Added to database: 10/21/2026, 20:13:19 UTC
Last enriched: 10/21/2026, 20:22:06 UTC
Last updated: 10/21/2026, 21:15:13 UTC
Views: 3
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