Medium severity · published Aug 21, 2026
CVE-2026-15580
PassPortal browser extension: vault token disclosure via unvalidated postMessage
6.9
CVSS
0.2%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
PassPortal · N-able
before 3.49.6 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-15580
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-15580
me.n-able.com
https://me.n-able.com/s/security-advisory/aArVy0000002GQTKA2/cve202615580-vault-token-disclosure-via-unvalidated-postmessage
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