{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-120627", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-11-02T17:31:22.160Z", "datePublished": "2026-11-02T17:32:34.968Z", "dateUpdated": "2026-11-02T17:33:53.840Z"}, "containers": {"cna": {"title": "CVE-2026-120627", "descriptions": [{"lang": "en", "value": "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."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Private Internet Access", "product": "Firefox extension", "versions": [{"status": "affected", "version": "3.2.5", "lessThanOrEqual": "4.0.5", "versionType": "custom"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-287 Improper Authentication"}]}], "references": [{"url": "https://addons.mozilla.org/en-US/firefox/addon/private-internet-access-ext/"}, {"url": "https://github.com/Rexyysilent/PI-ay-ay-disclosure"}], "x_generator": {"engine": "VINCE 3.0.52", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-120627"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-11-02T17:33:53.840Z"}}}}

{}

{"affected": [{"affectedData": [{"product": "Firefox extension", "vendor": "Private Internet Access", "versions": [{"lessThanOrEqual": "4.0.5", "status": "affected", "version": "3.2.5", "versionType": "custom"}]}], "source": "cret@cert.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-120627", "lastModified": "2026-11-02T18:18:52.733", "metrics": {}, "published": "2026-11-02T18:18:52.733", "references": [{"source": "cret@cert.org", "url": "https://addons.mozilla.org/en-US/firefox/addon/private-internet-access-ext/"}, {"source": "cret@cert.org", "url": "https://github.com/Rexyysilent/PI-ay-ay-disclosure"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Received"}

{}

{"created": "2026-11-02T18:45:13.291913+00:00", "title": "PIA Firefox Extension Leaks Proxy Credentials via Unprotected Auth Handler", "updated": "2026-11-02T18:45:13.291921+00:00", "vendors": [], "weaknesses": ["CWE-532", "CWE-284"]}