CVE-2026-15640 - Vulnerability Details - OpenCVE

Description

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

Published: 2026-09-15

Score: 9.5 Critical

EPSS: n/a

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Delinea

Secret Server (On-Prem)

unaffected

Version	Status	Constraints
`10.5.0`	affected	≤ 12.1.3

No data.

No data.

No data available yet.

Remediation

Vendor Solution

Upgrade to secret server version 12.2.7 or later

Tracking

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Advisories

No advisories yet.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://delinea.com/security-advisories

History

Tue, 15 Sep 2026 23:30:00 +0000

Type	Values Removed	Values Added
Description		Under certain conditions a valid SAML IdP response may be used to impersonate another Secret Server user.
Title		Authentication Bypass via SAML Response Manipulation
Weaknesses		CWE-290
References		https://delinea.com/security-advisories
Metrics		cvssV4_0 `{'score': 9.5, 'vector': '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'}`

Subscriptions

No data.

MITRE

Status: PUBLISHED

Assigner: Delinea

Published: 2026-09-15T23:22:15.196Z

Updated: 2026-09-15T23:22:15.196Z

Reserved: 2026-07-13T18:18:24.315Z

Link: CVE-2026-15640

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-09-16T00:17:03.577

Modified: 2026-09-16T00:17:03.577

Link: CVE-2026-15640

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-290

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