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High · 7.5 CVE-2026-120627 EUVD-2026-115353GHSA-x5vg-vpvp-9jx9

CVE-2026-120627

Published Nov 2, 2026 · Updated Nov 12, 2026 · Assigned by certcc

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.

Affected products

VendorProductAffectedFixed
Private Internet Access Firefox extension 3.2.5 – ≤ 4.0.5 —

References