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Race condition in CacheStorage in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to read… (CVE-2026-106300)

0
Medium
Published: 10/06/2026 (10/06/2026, 21:31:46 UTC)
Source: GCVE Database

Description

A race condition vulnerability exists in the CacheStorage component of Google Chrome versions prior to 155.0.8059.39. This flaw allows a remote attacker who has already compromised the renderer process to read memory outside the sandbox by using a specially crafted HTML page. The vulnerability has a medium severity rating.

CVSS v3.1

Score 4.7medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

Affected software

GitHub Actionsmore threats →ai
chromium/chromium
pkg:github/chromium/chromium
Affected versions
<155.0.8059.39

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/07/2026, 22:11:17 UTC

Technical Analysis

CVE-2026-106300 describes a race condition in CacheStorage in Google Chrome before version 155.0.8059.39. An attacker with control over the renderer process can exploit this flaw to read memory outside the sandbox environment, potentially exposing sensitive information. The vulnerability is rated medium severity with a CVSS 3.1 score of 4.7, reflecting limited impact on confidentiality and no impact on integrity or availability.

Potential Impact

An attacker who has compromised the renderer process can leverage this race condition to read memory outside the sandbox, potentially accessing sensitive data that should be protected. The impact is limited to confidentiality with no reported effects on integrity or availability.

Mitigation Recommendations

A fix is available in Google Chrome version 155.0.8059.39. Users and administrators should update to this version or later to remediate the vulnerability.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-h9vq-r34h-q3fm
Osv Schema Version
1.4.0
Aliases
["CVE-2026-106300"]
Database Specific Severity
MODERATE
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6ac6bff92cdf04f6568290d0

Added to database: 10/07/2026, 21:56:09 UTC

Last enriched: 10/07/2026, 22:11:17 UTC

Last updated: 10/08/2026, 04:48:07 UTC

Views: 6

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