CVE-2026-15115: Insufficient validation of untrusted input in WebAppInstalls

Published Jun 6, 2026
·
Updated

Chromium: CVE-2026-15115 Insufficient validation of untrusted input in WebAppInstalls

Other sources

Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Android prior to 150.0.7871.115 allowed a local attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)

— NVD

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

Credit

Google

Affected Software

5 affected componentsFixes available
Google Chrome<150.0.7871.114
150.0.7871.114
All of the following
Google Chrome<150.0.7871.115
Google Android
Microsoft Edge<150.0.4078.65
Microsoft Edge (Chromium-based)<150.0.4078.65
150.0.4078.65

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 150.0.7871.114
  2. Upgrade

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

    Fixed in 150.0.4078.65
  3. Upgrade

    Upgrade Google Chrome on Android (Chromium) to a version that resolves this vulnerability.

    Fixed in 150.0.7871.115

Event History

Jun 6, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jul 8, 2026
CVE Published
via MITRE·10:36 PM
Data Sourced
via MITRE·10:36 PM
DescriptionWeakness
Data Sourced
via NVD·11:16 PM
DescriptionSeverityWeaknessAffected Software
Jul 28, 2026
Data Sourced
via Microsoft·10:04 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·10:04 PM
DescriptionAffected Software

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-2026-15115?

The severity of CVE-2026-15115 is low, rated at 3.3 on the CVSS scale.

2

How do I fix CVE-2026-15115?

To fix CVE-2026-15115, update your Google Chrome to version 150.0.7871.115 or later.

3

What vulnerability does CVE-2026-15115 address?

CVE-2026-15115 addresses insufficient validation of untrusted input in WebAppInstalls.

4

Who is affected by CVE-2026-15115?

Users of Google Chrome on Android prior to version 150.0.7871.115 are affected by CVE-2026-15115.

5

What type of attack does CVE-2026-15115 enable?

CVE-2026-15115 allows a local attacker to bypass the same origin policy via a crafted HTML page.

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