CVE intelligence

CVE-2025-12811

Vulnerability intelligence

Published Feb 18, 2026Sources checked Oct 27, 2026

6.9MEDIUMCVSS out of 10

What this means

Review the available evidence

CVE-2025-12811 and is rated Medium severity with a CVSS score of 6.9. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Delinea Security Advisories guidance

Vendor revision: Feb 12, 2026

Vendor-listed releases

Upgrade to version 25.1 HF5 or later

CISA KEVNot listedBased on the latest collected catalog

EPSS0.4%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2025-12811?

Improper Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') in Delinea Inc. Cloud Suite and Privileged Access Service.

If you're not using the latest Server Suite agents, this fix requires that you upgrade to Server Suite 2023.1 (agent 6.0.1) or later. * If you cannot upgrade to Release 2023.1 (agent version 6.0.1) or later, you can choose one of the following versions:

* Server Suite release 2023.0.5 (agent version 6.0.0-158)

* Server Suite release 2022.1.10 (agent version 5.9.1-337)

Source: NVD