CVE-2026-8094 Other issue in the WebRTC component
An attacker can execute arbitrary code via a vulnerability in the WebRTC component of Mozilla Firefox and Thunderbird.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-8094?
CVE-2026-8094 is a critical code injection vulnerability in Mozilla Firefox, published on 7 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.
Weakness: CWE-94
Which versions are affected by CVE-2026-8094?
It affects 2 products.
Products include Mozilla Firefox, Mozilla Thunderbird.
How do I fix CVE-2026-8094?
Upgrade to a fixed version.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-8094 being exploited?
There is no known exploitation of CVE-2026-8094 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2026-8094, GHSA-5ghx-9783-29rc.