CVE-2026-15640CWE-290

CVE-2026-15640

published September 16, 2026

CVSS

9.5

EPSS

Percentile

19.2

In the wild

Unconfirmed

What it is

Under certain conditions a valid SAML IdP response may be used to impersonate another Secret Server user.

The record

Technical detail

CVSS: 9.5 · NONE
CVSS v4.0: 9.5 · CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H
EPSS: 0.00278 · 19.2th percentile
Weakness: CWE-290 · Authentication Bypass by Spoofing
Published: 2026-09-16T04:17Z

References (1)

EPSS history

Timeline