CVE-2026-15580

EUVD-2026-63972
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
N-ableCNA
6.9 MEDIUM
NETWORK
LOW
NONE
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 7.79%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
n-ablepassportal
𝑥
< 3.49.6
CNA
Common Weakness Enumeration
References
https://me.n-able.com/s/security-advisory/aArVy0000002GQTKA2/cve202615580-vault-token-disclosure-via-unvalidated-postmessage