{"id":"CVE-2026-15580","aliases":["EUVD-2026-63972","GHSA-6637-gh22-j6hq"],"status":"published","title":"PassPortal browser extension: vault token disclosure via unvalidated postMessage","description":"vault token disclosure via unvalidated postMessage vulnerability in N-able PassPortal allows Authentication Abuse.\n\nThis issue affects the PassPortal browser extension: before 3.49.6.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00248,"percentile":0.16166,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1385"],"published":"2026-08-21T14:00:10Z","modified":"2026-10-15T19:10:00Z","products":[{"vendor":"n-able","product":"passportal"}],"references":[{"url":"https://me.n-able.com/s/security-advisory/aArVy0000002GQTKA2/cve202615580-vault-token-disclosure-via-unvalidated-postmessage"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15580"},{"url":"https://github.com/advisories/GHSA-6637-gh22-j6hq"}],"sources":{"cve":[{"id":"CVE-2026-15580","title":"PassPortal browser extension: vault token disclosure via unvalidated postMessage","description":"vault token disclosure via unvalidated postMessage vulnerability in N-able PassPortal allows Authentication Abuse.\n\nThis issue affects the PassPortal browser extension: before 3.49.6.","status":"published","published":"2026-08-21T14:00:10.835Z","modified":"2026-08-21T15:07:33.739Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-1385"],"updated_at":"2026-11-02T13:47:51.033687Z"}],"euvd":[{"id":"EUVD-2026-63972","description":"vault token disclosure via unvalidated postMessage vulnerability in N-able PassPortal allows Authentication Abuse.\n\nThis issue affects the PassPortal browser extension: before 3.49.6.","status":"published","published":"2026-08-21T14:00:10Z","modified":"2026-08-21T15:07:33Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:01:37.531944Z"}],"ghsa":[{"id":"GHSA-6637-gh22-j6hq","title":"vault token disclosure via unvalidated postMessage vulnerability in N-able PassPortal allows...","description":"vault token disclosure via unvalidated postMessage vulnerability in N-able PassPortal allows Authentication Abuse.\n\nThis issue affects the PassPortal browser extension: before 3.49.6.","status":"published","published":"2026-08-21T15:32:12Z","modified":"2026-08-21T15:32:18Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-1385"],"updated_at":"2026-11-02T15:10:49.498684Z"}],"nvd":[{"id":"CVE-2026-15580","description":"vault token disclosure via unvalidated postMessage vulnerability in N-able PassPortal allows Authentication Abuse.\n\nThis issue affects the PassPortal browser extension: before 3.49.6.","status":"published","published":"2026-08-21T14:16:48.587Z","modified":"2026-10-15T19:10:00.173Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-1385"],"updated_at":"2026-11-02T14:12:40.665005Z"}]}}