Vulnerability Report

CVE-2025-26399

RCE CISA KEV Active

Title: Solarwinds Web Help Desk RCE

RCE

Proof Of Concept

PoC Available for CVE-2025-26399

CWE Category CWE-502

Published Date Sep 23, 2025

Modified Date Mar 10, 2026

Exploit Status Available

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

26.75%

Vulnerability Summary

CVE-2025-26399: SolarWinds Web Help Desk was found to be susceptible to an unauthenticated AjaxProxy deserialization remote code execution vulnerability that, if exploited, would allow an attacker to run commands on the host machine. This vulnerability is a patch bypass of CVE-2024-28988, which in turn is a patch bypass of CVE-2024-28986.

Impacted Vendors

Reference Links

https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_12-8-7-hotfix-1_release_notes.htm https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26399

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-26399 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/rxerium/CVE-2025-26399

View Code

March 10, 2026 MODIFIED

Vulnerability data updated via NVD.

March 10, 2026 MODIFIED

Vulnerability data updated via NVD.

March 09, 2026 MODIFIED

Vulnerability data updated via NVD.

March 09, 2026 MODIFIED

Vulnerability data updated via NVD.

March 09, 2026 MODIFIED

Vulnerability data updated via NVD.

March 09, 2026 MODIFIED

Vulnerability data updated via NVD.

March 09, 2026 MODIFIED

Vulnerability data updated via NVD.

March 09, 2026 MODIFIED

Vulnerability data updated via NVD.

March 09, 2026 MODIFIED

Vulnerability data updated via NVD.

March 09, 2026 MODIFIED

Vulnerability data updated via NVD.

March 09, 2026 MODIFIED

Vulnerability data updated via NVD.

March 09, 2026 MODIFIED

Vulnerability data updated via NVD.

March 09, 2026 MODIFIED

Vulnerability data updated via NVD.

March 09, 2026 MODIFIED

Vulnerability data updated via NVD.

November 14, 2025 MODIFIED

Vulnerability data or affected products updated.

September 23, 2025 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.