CVE-2026-34226 | capricorn86 happy-dom up to 20.8.8 insertion of sensitive information into sent data (GHSA-w4gp-fjgq-3q4g / EUVD-2026-16893)
A vulnerability was found in capricorn86 happy-dom up to 20.8.8. It has been declared as problematic. This vulnerability affects unknown code. Such manipulation leads to insertion of sensitive information into sent data.
This vulnerability is listed as CVE-2026-34226. The attack may be performed from remote. There is no available exploit.
It is recommended to upgrade the affected component.