VulnerabilityAwaiting Analysis

CVE-2026-15580

vault token disclosure via unvalidated postMessage vulnerability in N-able PassPortal allows Authentication Abuse.

MEDIUM 6.9EPSS 0.25%

Does this matter?

Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 4.0: 6.9 MEDIUMCVSS:4.0/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/M
EPSS: 0.25% probability · 16th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-1385
Source: a5532a13-c4dd-4202-bef1-e0b8f2f8d12b

EPSS trend

EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

https://me.n-able.com/s/security-advisory/aArVy0000002GQTKA2/cve202615580-vault-token-disclosure-via-unvalidated-postmessage

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.