{"id":"CVE-2026-120627","aliases":["EUVD-2026-115353","GHSA-x5vg-vpvp-9jx9"],"status":"published","title":"CVE-2026-120627","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00295,"percentile":0.22358,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2026-11-02T17:32:34Z","modified":"2026-11-06T17:50:08Z","products":[{"vendor":"private internet access","product":"firefox extension"}],"references":[{"url":"https://addons.mozilla.org/en-US/firefox/addon/private-internet-access-ext/"},{"url":"https://github.com/Rexyysilent/PI-ay-ay-disclosure"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120627"},{"url":"https://addons.mozilla.org/en-US/firefox/addon/private-internet-access-ext"},{"url":"https://github.com/advisories/GHSA-x5vg-vpvp-9jx9"}],"sources":{"cve":[{"id":"CVE-2026-120627","title":"CVE-2026-120627","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.","status":"published","published":"2026-11-02T17:32:34.968Z","modified":"2026-11-12T16:47:47.072Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-287"],"updated_at":"2026-11-10T15:39:10.800702Z"}],"euvd":[{"id":"EUVD-2026-115353","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.","status":"published","published":"2026-11-02T17:32:34Z","modified":"2026-11-12T16:47:47Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-10T16:21:32.397558Z"}],"ghsa":[{"id":"GHSA-x5vg-vpvp-9jx9","title":"The Private Internet Access Extension for Firefox contains an unguarded onAuthRequired...","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.","status":"published","published":"2026-11-02T18:32:28Z","modified":"2026-11-06T18:36:08Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-06T19:01:27.658277Z"}],"nvd":[{"id":"CVE-2026-120627","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.","status":"published","published":"2026-11-02T18:18:52.733Z","modified":"2026-11-06T18:17:59.433Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-06T20:01:16.230991Z"}]}}