PT-2026-79374 · Unknown · Passportal
CVE-2026-15580
·
Published
2026-08-20
·
Updated
2026-08-21
CVSS v4.0
6.9
Medium
| Vector | 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 |
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.
Fix
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Weakness Enumeration
Related Identifiers
Affected Products
Passportal