CVE-2026-13876: Inappropriate implementation in Network on 2026-04-01

Published Apr 1, 2026
·
Updated

Chromium: CVE-2026-13876 Inappropriate implementation in Network

Other sources

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)

— MITRE

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

— Microsoft

Affected Software

4 affected componentsFixes available
Google Google Chrome<150.0.7871.47
Google Chrome<150.0.7871.47
Microsoft Edge (Chromium-based)<150.0.4078.48
150.0.4078.48
Microsoft Edge<150.0.4078.48

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 150.0.4078.48
  2. Upgrade

    Upgrade Chromium/Google Chrome to a version that resolves this vulnerability.

    Fixed in 150.0.7871.47
  3. Compensating control

    Until updated, restrict the ability of attackers in privileged network positions to inject malicious network traffic (e.g., tighten network segmentation/controls for any privileged network paths).

Event History

Jun 30, 2026
CVE Published
via MITRE·10:38 PM
Data Sourced
via MITRE·10:38 PM
DescriptionWeakness
Data Sourced
via NVD·11:17 PM
DescriptionSeverityWeaknessAffected Software
Jul 3, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software
Jul 16, 2026
Data Sourced
12:00 AM
SeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-13876?

The severity of CVE-2026-13876 is medium, with a CVSS score of 6.5.

2

How do I fix CVE-2026-13876?

To fix CVE-2026-13876, upgrade to Google Chrome version 150.0.7871.47 or later.

3

What systems are affected by CVE-2026-13876?

CVE-2026-13876 affects Google Chrome and Microsoft Edge based on Chromium.

4

What type of attack does CVE-2026-13876 facilitate?

CVE-2026-13876 allows an attacker in a privileged network position to bypass content security policy.

5

When was CVE-2026-13876 published?

CVE-2026-13876 was published on April 1, 2026.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203