CVE-2026-15580

PassPortal browser extension: vault token disclosure via unvalidated postMessage

Published Aug 21, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
vault token disclosure via unvalidated postMessage vulnerability in N-able PassPortal allows Authentication Abuse.

This issue affects the PassPortal browser extension: before 3.49.6.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared N-able
N-able passportal
Vendors & Products N-able
N-able passportal
Type Values Removed Values Added
Description vault token disclosure via unvalidated postMessage vulnerability in N-able PassPortal allows Authentication Abuse. This issue affects the PassPortal browser extension: before 3.49.6.
Title PassPortal browser extension: vault token disclosure via unvalidated postMessage
Weaknesses CWE-1385
References
Metrics cvssV4_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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
N-able
Published
Updated
Aug 21, 2026, 3:07 PM
Reserved
Jul 13, 2026, 10:21 AM
Status
Awaiting Analysis
Published
Aug 21, 2026, 2:16 PM
Modified
Oct 15, 2026, 7:10 PM