Vulnerability in Private Internet Access Firefox Extension

CVE-2026-120627

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.

Published · last modified .

EPSS exploit prediction

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Affected products

References