CVE-2026-13876

Chrome CSP Bypass via Inadequate Network Traffic Handling

Published Jun 30, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Inappropriate implementation in Network in Google Chrome prior to 150.0.7871.47 allowed an attacker in a privileged network position to bypass content security policy via malicious network traffic. (Chromium security severity: Medium)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4672-1 chromium security update
Debian DSA Debian DSA DSA-6378-1 chromium security update
History
Type Values Removed Values Added
Title Chrome CSP Bypass via Inadequate Network Traffic Handling
Type Values Removed Values Added
Title Content Security Policy Bypass via Improper Network Traffic Handling in Google Chrome
Type Values Removed Values Added
Title Content Security Policy Bypass via Improper Network Traffic Handling in Google Chrome
Type Values Removed Values Added
Title Chrome Network Traffic CSP Bypass Vulnerability
Type Values Removed Values Added
Title Chrome Network Traffic CSP Bypass Vulnerability
Type Values Removed Values Added
Title Chrome Network Traffic CSP Bypass in Versions Before 150.0.7871.47
Type Values Removed Values Added
Title Chrome Network Traffic CSP Bypass in Versions Before 150.0.7871.47
Type Values Removed Values Added
Title Chrome Content Security Policy Bypass via Network Traffic
Type Values Removed Values Added
Title Chrome Content Security Policy Bypass via Network Traffic
Type Values Removed Values Added
Title Content Security Policy Bypass via Malicious Network Traffic in Google Chrome
Type Values Removed Values Added
Title Content Security Policy Bypass via Malicious Network Traffic in Google Chrome
Type Values Removed Values Added
Title Chrome Network Handling Allows CSP Bypass by Privileged Network Actors
Type Values Removed Values Added
Title Chrome Network Handling Allows CSP Bypass by Privileged Network Actors
Type Values Removed Values Added
Title Content Security Policy Bypass via Network Traffic Manipulation in Google Chrome
Type Values Removed Values Added
Title Content Security Policy Bypass via Network Traffic Manipulation in Google Chrome
Type Values Removed Values Added
Title Chrome Network CSP Bypass via Malicious Traffic
Type Values Removed Values Added
Title Chrome Network CSP Bypass via Malicious Traffic
Type Values Removed Values Added
Title CSP Bypass via Malicious Network Traffic in Google Chrome
Type Values Removed Values Added
Title CSP Bypass via Malicious Network Traffic in Google Chrome
Type Values Removed Values Added
Title Content Security Policy Bypass via Malicious Network Traffic in Google Chrome
Type Values Removed Values Added
Title Content Security Policy Bypass via Malicious Network Traffic in Google Chrome
Type Values Removed Values Added
Title Content Security Policy Bypass via Malicious Network Traffic in Chrome
Type Values Removed Values Added
Title Content Security Policy Bypass via Malicious Network Traffic in Chrome
Type Values Removed Values Added
Title Content Security Policy Bypass via Malicious Network Traffic in Chrome
Weaknesses CWE-79
Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Content Security Policy Bypass via Malicious Network Traffic in Chrome
Weaknesses CWE-79
Type Values Removed Values Added
Title Chrome Network Component Enables Content Security Policy Bypass via Malicious Network Traffic
Weaknesses CWE-284
CWE-79
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Chrome Network Component Enables Content Security Policy Bypass via Malicious Network Traffic
Weaknesses CWE-284
CWE-79
Type Values Removed Values Added
Description Inappropriate implementation in Network in Google Chrome prior to 150.0.7871.47 allowed an attacker in a privileged network position to bypass content security policy via malicious network traffic. (Chromium security severity: Medium)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jul 1, 2026, 2:18 PM
Reserved
Jun 29, 2026, 11:03 PM
Status
Analyzed
Published
Jun 30, 2026, 11:17 PM
Modified
Oct 25, 2026, 9:10 PM