CVE-2026-120627

CVE-2026-120627

Published Nov 2, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-284
CWE-532
Type Values Removed Values Added
Weaknesses CWE-287
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Type Values Removed Values Added
First Time appeared Private Internet Access
Private Internet Access firefox Extension
Vendors & Products Private Internet Access
Private Internet Access firefox Extension
Type Values Removed Values Added
Weaknesses CWE-284
CWE-532
Type Values Removed Values Added
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.
Title CVE-2026-120627
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
certcc
Published
Updated
Nov 12, 2026, 4:47 PM
Reserved
Nov 2, 2026, 5:31 PM
Status
Awaiting Analysis
Published
Nov 2, 2026, 6:18 PM
Modified
Nov 6, 2026, 6:17 PM