CVE Catalog

CVE-2026-120627

Unknown
Published: Translated: NVD NIST

Summary

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.

Risk Assessment

A malicious website can capture the user's PIA proxy credentials, potentially leading to unauthorized access to the proxy service. The risk affects Firefox users with the PIA extension installed in vulnerable versions.

Recommendation

Update the Private Internet Access extension for Firefox to a version containing the fix (if available) or consider temporarily disabling it. Monitor vendor releases for a fixed version.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS