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Vulnerabilities

Vulnerability · CVE-2025-12811

Improper Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') in Delinea Inc.

Published Feb 18, 2026 · catalog updated Feb 19, 2026 · Delinea Inc. Cloud Suite and Privileged Access Service

Last checked Nov 13, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-12811. EPSS is 0.37%. Act only if a listed version of Delinea Inc. Cloud Suite and Privileged Access Service is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.37%
Remediation
Vendor / distro source
Affected products
vendor Delinea Inc. Cloud Suite and Privileged Access Service 25.1 HF4 and earlier

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)

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Delinea Inc. Cloud Suite and Privileged Access Service 25.1 HF4 and earlier25.1 HF4 and earlier

How to fix CVE-2025-12811

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-12811. EPSS is 0.37%. Act only if a listed version of Delinea Inc. Cloud Suite and Privileged Access Service is installed.

Which versions are affected?

Compare what you have installed with Delinea Inc. Cloud Suite and Privileged Access Service 25.1 HF4 and earlier 25.1 HF4 and earlier. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.37%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 18, 2026 · EUVD

    Detected

    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: * Serv

  2. Feb 19, 2026 · EUVD

    Updated

    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: * Serv

Sources

  • CVE.orgVulnerability recordCVE-2025-12811

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-12811

    30-day exploitation probability 0.37%

    first.org
  • EUVDVulnerability recordEUVD-2025-207857

    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 y

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 13, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 13, 2026
  • CVE.orgNov 9, 2026
  • EUVDNov 9, 2026