Vulnerability · Published Aug 21, 2026 · Assigned by N-able
CVE-2026-15580PassPortal browser extension: vault token disclosure via unvalidated postMessage
Medium 6.9
In plain English
A medium-severity security flaw in PassPortal from N-able. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.2%top 83.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| N-able | PassPortal | 0 – before 3.49.6 |
Weakness: CWE-1385 · 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