SecPod

Learn Search

Search across all Learn content

← Back to Security Research
SolarWinds Implements Security Updates to Address Critical Web Help Desk Vulnerabilities

SolarWinds Implements Security Updates to Address Critical Web Help Desk Vulnerabilities

SolarWinds has released important security updates to address several critical vulnerabilities impacting its Web Help Desk (WHD) product. These issues include remote code execution (RCE) and authentication bypass flaws that put organizations at significant risk. Given WHD’s extensive use across ente...

Jan 28, 2026By Padmashree P3 min read

SolarWinds has released important security updates to address several critical vulnerabilities impacting its Web Help Desk (WHD) product. These issues include remote code execution (RCE) and authentication bypass flaws that put organizations at significant risk. Given WHD’s extensive use across enterprise, healthcare, education, and government sectors — and SolarWinds’ claim of over 300,000 global customers — applying patches promptly is crucial.

Vulnerability Details

SolarWinds’ security patches remediate multiple high-severity weaknesses, including:

CVE-2025-40552

  1. Vulnerability: Authentication Bypass
  2. CVSS Score:Critical
  3. EPSS Score:0.05%
  4. Affected Products: SolarWinds Web Help Desk (versions before 2026.1)

CVE-2025-40554

  1. Vulnerability: Authentication Bypass
  2. CVSS Score:Critical
  3. EPSS Score:0.03%
  4. Affected Products: SolarWinds Web Help Desk (versions before 2026.1)

CVE-2025-40553

  1. Vulnerability: Remote Code Execution
  2. CVSS Score:likely Critical
  3. EPSS Score:0.65%
  4. Affected Products: SolarWinds Web Help Desk (versions before 2026.1)

CVE-2025-40551

  1. Vulnerability: Remote Code Execution
  2. CVSS Score:Critical
  3. EPSS Score:0.87%
  4. Affected Products: SolarWinds Web Help Desk (versions before 2026.1)

CVE-2025-40537

  1. Affected Products: SolarWinds Web Help Desk (versions before 2026.1)
  2. Vulnerability: Privilege Escalation
  3. CVSS Score:High
  4. EPSS Score:0.02%

CVE-2025-40536

  1. Affected Products: SolarWinds Web Help Desk (versions before 2026.1)
  2. Vulnerability: Authentication Bypass
  3. CVSS Score:High
  4. EPSS Score:0.24%

Tactics, Techniques, and Procedures (TTPs)

The SolarWinds Web Help Desk vulnerabilities align with several MITRE ATT&CK tactics and techniques:

  • TA0002 – Execution: Attackers can leverage the RCE flaws to run malicious code directly on the server.
  • TA0004 – Privilege Escalation: Both the RCE and hardcoded credentials vulnerabilities enable attackers to gain elevated privileges.
  • TA0001 – Initial Access: Exploitation occurs through:
  • T1190 – Exploit Public-Facing Application
  • T1203 – Exploitation for Client Execution (for RCE flaws)
  • T1068 – Exploitation for Privilege Escalation (for RCE & hardcoded credentials)

Remediation Steps

SolarWinds recommends immediately upgrading to:

  • Web Help Desk version 2026.1: This update includes patches for all identified vulnerabilities. Administrators should follow SolarWinds’ official upgrade instructions to secure their deployments.

Past Exploitation

SolarWinds Web Help Desk has been targeted by attackers in previous years:

  • September 2025 – Patch Bypass (CVE-2025-26399): A bypass of a previously patched RCE flaw was reported and flagged by CISA as actively exploited, added to the Known Exploited Vulnerabilities (KEV) catalog, and mandated for patching by federal agencies.
  • October 2024 – Hardcoded Credentials Actively Exploited: CISA added another critical WHD hardcoded credentials flaw to the KEV list, urging government entities to patch immediately.

Instantly Fix Risks with Saner Patch Management

Saner patch management is a continuous, automated, and integrated software that instantly fixes risks exploited in the wild. The software supports major operating systems like Windows, Linux, and macOS, as well as 550+ third-party applications.

It also allows you to set up a safe testing area to test patches before deploying them in a primary production environment. Saner patch management additionally supports a patch rollback feature in case of patch failure or a system malfunction.

Experience the fastest and most accurate patching software here.

Featured Posts

Open Operation CameraSwarm: Inside the Toolkit Behind 14,530 Compromised Dahua Cameras
Operation CameraSwarm: Inside the Toolkit Behind 14,530 Compromised Dahua Cameras

CVE Research

Operation CameraSwarm: Inside the Toolkit Behind 14,530 Compromised Dahua Cameras

A single operator compromised 14,530+ Dahua cameras across Ukraine and Russia in 35 days, chaining credential brute-force, a CVE-2021-33044/33045 authentication bypass, and P2P relay abuse to plant a persistent backdoor and harvest transferable admin access.

Aug 21, 2026

Open Critical GitLab Flaw Exposes Public Projects to Deletion — Two CVEs Patched, Including High-Severity CSRF
Critical GitLab Flaw Exposes Public Projects to Deletion — Two CVEs Patched, Including High-Severity CSRF

CVE Research

Critical GitLab Flaw Exposes Public Projects to Deletion — Two CVEs Patched, Including High-Severity CSRF

CVE-2026-19478 is a critical code injection vulnerability in GitLab CE/EE that allows an unauthenticated attacker to modify or delete public projects and user data by abusing a GraphQL directive. A second high-severity issue, CVE-2026-19650, involves cross-site request forgery in the GraphQL multiplex query handler. This article examines how the critical vulnerability works, the availability of a public proof-of-concept, the potential impact on self-managed instances, the affected versions, and the security updates released to remediate both issues.

Aug 19, 2026

Open No Password Needed: macOS Screen Sharing Flaw (CVE-2026-65400) Used to Deploy Monero Miners
No Password Needed: macOS Screen Sharing Flaw (CVE-2026-65400) Used to Deploy Monero Miners

CVE Research

No Password Needed: macOS Screen Sharing Flaw (CVE-2026-65400) Used to Deploy Monero Miners

Aug 19, 2026

Open Evooo1Bot: Mirai-Based Linux Botnet Turns Edge Devices Into SOCKS5 Proxies
Evooo1Bot: Mirai-Based Linux Botnet Turns Edge Devices Into SOCKS5 Proxies

CVE Research

Evooo1Bot: Mirai-Based Linux Botnet Turns Edge Devices Into SOCKS5 Proxies

Aug 19, 2026

SolarWinds Implements Security Updates to Address Critical Web Help De | SecPod