[ CVE-2026-120627 · Published 2 Nov 2026 ]

Vulnerability in Private Internet Access Firefox extension

Not scored yet EPSS <1%No fix listed yet

[ Description ]Official description

The Private Internet Access Extension for Firefox contains an unguarded onAuthRequired authentication handler, leading to leakage of PIA proxy credentials when a user visits any malicious website that issues a Basic auth challenge. This issue was fixed in version 3.2.5, but reintroduced in later versions.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.