CVE-2026-13876 - Vulnerability Details

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)

Published: 2026-06-30

Score: 6.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Google

Chrome

affected

Version	Status	Constraints
`150.0.7871.47`	affected	< 150.0.7871.47

No data.

Vendor Product Confidence Versions

Google

Chrome

100%

Version	Status	Scheme	Platform
`[150.0.7871.47,150.0.7871.47)`	affected	generic	—

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Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
Debian DLA	DLA-4672-1	chromium security update
Debian DSA	DSA-6378-1	chromium security update

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00227.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html
https://issues.chromium.org/issues/498722200

History

Tue, 07 Jul 2026 10:45:00 +0000

Type	Values Removed	Values Added
Title	Chrome Network Handling Allows CSP Bypass by Privileged Network Actors

Mon, 06 Jul 2026 16:45:00 +0000

Type	Values Removed	Values Added
Title		Chrome Network Handling Allows CSP Bypass by Privileged Network Actors

Mon, 06 Jul 2026 04:00:00 +0000

Type	Values Removed	Values Added
Title	Content Security Policy Bypass via Network Traffic Manipulation in Google Chrome

Sun, 05 Jul 2026 15:15:00 +0000

Type	Values Removed	Values Added
Title		Content Security Policy Bypass via Network Traffic Manipulation in Google Chrome

Sun, 05 Jul 2026 04:15:00 +0000

Type	Values Removed	Values Added
Title	Chrome Network CSP Bypass via Malicious Traffic

Sat, 04 Jul 2026 15:45:00 +0000

Type	Values Removed	Values Added
Title		Chrome Network CSP Bypass via Malicious Traffic

Fri, 03 Jul 2026 20:15:00 +0000

Type	Values Removed	Values Added
Title	CSP Bypass via Malicious Network Traffic in Google Chrome

Fri, 03 Jul 2026 09:30:00 +0000

Type	Values Removed	Values Added
Title		CSP Bypass via Malicious Network Traffic in Google Chrome

Thu, 02 Jul 2026 23:00:00 +0000

Type	Values Removed	Values Added
Title	Content Security Policy Bypass via Malicious Network Traffic in Google Chrome

Thu, 02 Jul 2026 15:00:00 +0000

Type	Values Removed	Values Added
Title		Content Security Policy Bypass via Malicious Network Traffic in Google Chrome

Thu, 02 Jul 2026 09:30:00 +0000

Type	Values Removed	Values Added
Title	Content Security Policy Bypass via Malicious Network Traffic in Chrome

Wed, 01 Jul 2026 22:45:00 +0000

Type	Values Removed	Values Added
Title		Content Security Policy Bypass via Malicious Network Traffic in Chrome

Wed, 01 Jul 2026 19:45:00 +0000

Type	Values Removed	Values Added
Title	Content Security Policy Bypass via Malicious Network Traffic in Chrome
Weaknesses	CWE-79

Wed, 01 Jul 2026 15:30:00 +0000

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'}`

Wed, 01 Jul 2026 14:45:00 +0000

Type	Values Removed	Values Added
Title		Content Security Policy Bypass via Malicious Network Traffic in Chrome
Weaknesses		CWE-79

Wed, 01 Jul 2026 10:45:00 +0000

Type	Values Removed	Values Added
Title	Chrome Network Component Enables Content Security Policy Bypass via Malicious Network Traffic
Weaknesses	CWE-284 CWE-79

Wed, 01 Jul 2026 09:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Google Google chrome
Vendors & Products		Google Google chrome

Wed, 01 Jul 2026 02:00:00 +0000

Type	Values Removed	Values Added
Title		Chrome Network Component Enables Content Security Policy Bypass via Malicious Network Traffic
Weaknesses		CWE-284 CWE-79

Tue, 30 Jun 2026 23:15:00 +0000

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		https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html https://issues.chromium.org/issues/498722200

Subscriptions

Google Chrome

MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2026-06-30T22:38:05.645Z

Updated: 2026-07-01T14:18:31.002Z

Reserved: 2026-06-29T23:03:39.807Z

Link: CVE-2026-13876

Vulnrichment

Updated: 2026-07-01T14:18:22.673Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-07-07T10:30:16Z

Weaknesses

CWE-693

Tracking

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction Required

Exploitation none

Automatable no

Technical Impact partial

Subscriptions

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