CVE-2026-13881 Security feature bypass in Chrome
A remote attacker can bypass same-origin policy in Google Chrome via a crafted HTML page due to an inappropriate implementation in WebAppInstalls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-13881?
CVE-2026-13881 is a medium-severity vulnerability in Google Chrome, published on 30 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Inappropriate implementation in WebAppInstalls in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)
Weakness: CWE-346
Which versions are affected by CVE-2026-13881?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-13881?
Upgrade to a fixed version.
Is CVE-2026-13881 being exploited?
There is no known exploitation of CVE-2026-13881 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-13881, ECHO-5700-0d8e-2784, GHSA-x3mf-c66j-h6vv, MINI-cgm8-rw5j-c483.