PT-2026-79374

CVE-2026-15580

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Published

2026-08-20

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Updated

2026-10-31

Description by

CVSS 4.0
6.9
Medium
MetricsAV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions PassPortal browser extension versions prior to 3.49.6
Description An unvalidated postMessage vulnerability in the PassPortal browser extension allows for authentication abuse. This flaw enables any website or iframe viewed by a user to obtain complete and persisted access to the decrypted vault for a duration of up to 100 days. Approximately 73,000 weekly active users were potentially affected.
Recommendations Update the PassPortal browser extension to version 3.49.6 or later.
Exploitability
Fix
Vendors
Affected products
Weakness enumeration
CWE-1385: Missing Origin Validation in WebSockets
Related identifiers
CVE-2026-15580
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