CVE-2026-8013 Information disclosure in Chrome
A remote attacker can leak cross-origin data via a crafted HTML page due to insufficient input validation in FedCM.
- 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-2026-8013?
CVE-2026-8013 is a medium-severity vulnerability in Google Chrome, published on 6 May 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
Insufficient validation of untrusted input in FedCM in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
Weakness: CWE-20
Which versions are affected by CVE-2026-8013?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-8013?
Upgrade to a fixed version.
Is CVE-2026-8013 being exploited?
There is no known exploitation of CVE-2026-8013 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-8013, ECHO-8b63-0754-18ef, GHSA-qx5w-9x78-2xgm, MINI-6c2c-q4qq-c76m.