Solarwinds Web Help Desk vulnerabilities
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Published CVEs affecting Solarwinds Web Help Desk: 11 record(s), with affected versions and fixes.cpe:2.3:a:solarwinds:web_help_desk
CVE-2026-28323
Critical · 9.8
CWE-287 Jul 30, 2026
SolarWinds Web Help Desk SAML Authentication Bypass Vulnerability
SolarWinds Web Help Desk is found to be affected by a SAML authentication bypass vulnerability. This requires the SAML 2.0 authentication method to be enabled.
CVE-2026-28299
High · 7.5
CWE-770 Jun 2, 2026
SolarWinds Web Help Desk Denial-of-Service Vulnerability
SolarWinds Web Help Desk is found to be affected by a denial-of-service vulnerability, which when exploited, could cause the Web Help Desk server to crash due to insufficient memory.
CVE-2025-40554
Critical · 9.8
Public exploit CWE-1390 Jan 28, 2026
SolarWinds Web Help Desk Authentication Bypass (CVE-2025-40554)
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, if exploited, could allow an attacker to invoke specific actions within Web Help Desk.
CVE-2025-40553
Critical · 9.8
CWE-502 Jan 28, 2026
SolarWinds Web Help Desk: untrusted data deserialization leading to RCE
SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.
CVE-2025-40552
Critical · 9.8
Public exploit CWE-1390 Jan 28, 2026
SolarWinds Web Help Desk Authentication Bypass (CVE-2025-40552)
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that if exploited, would allow a malicious actor to execute actions and methods that should be protected by authentication.
CVE-2025-40537
High · 7.5
CWE-798 Jan 28, 2026
SolarWinds Web Help Desk Hardcoded Credentials Vulnerability
SolarWinds Web Help Desk was found to be susceptible to a hardcoded credentials vulnerability that, under certain situations, could allow access to administrative functions.
CVE-2025-40551
Critical · 9.8
KEV Urgent · 79 Public exploit CWE-502 Jan 28, 2026
SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability
SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.
CVE-2025-40536
Critical · 9.8
KEV Urgent · 80 Public exploit CWE-693 Jan 28, 2026
SolarWinds Web Help Desk Security Control Bypass Vulnerability
SolarWinds Web Help Desk was found to be susceptible to a security control bypass vulnerability that if exploited, could allow an unauthenticated attacker to gain access to certain restricted functionality.
CVE-2025-26399
Critical · 9.8
KEV Urgent · 83 Public exploit Ransomware CWE-502 Sep 23, 2025
SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability
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.
CVE-2024-28987
Critical · 9.1
KEV Urgent · 83 Public exploit CWE-798 Aug 21, 2024
SolarWinds Web Help Desk Hardcoded Credential Vulnerability
The SolarWinds Web Help Desk (WHD) software is affected by a hardcoded credential vulnerability, allowing remote unauthenticated user to access internal functionality and modify data.
CVE-2024-28986
Critical · 9.8
KEV High · 67 Public exploit CWE-502 Aug 13, 2024
SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability
SolarWinds Web Help Desk was found to be susceptible to a Java Deserialization Remote Code Execution vulnerability that, if exploited, would allow an attacker to run commands on the host machine.
While it was reported as an unauthenticated vulnerability, SolarWinds has been unable to reproduce it without authentication after thorough testing.
However, out of an abundance of caution, we recommend all Web Help Desk customers apply the patch, which is now available.