CVE-2026-15640

Received
Published: 15 Sept 2026, 23:22
Last modified:16 Sept 2026, 01:04

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.5 CRITICAL
v4.0 (cve.org)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

15 Sept 2026, 23:22
Published
Vulnerability first disclosed
16 Sept 2026, 01:04
Last Modified
Vulnerability information updated

Description

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

CVSS Metrics

  • v4.0•CRITICAL•Score: 9.5CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H
  • v4.0•CRITICAL•Score: 9.5CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Techniques & Countermeasures

  • CWE-290•Authentication Bypass by Spoofing

    This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

Affected Systems

  • delinea•secret server (on-prem)

    ≥ 10.5.0, ≤ 12.1.3

References (1)