Solarwinds Web Help Desk vulnerabilities

CVE-2025-26399 [CRITICAL] CVE-2025-26399: SolarWinds Web Help Desk was found to be susceptible to an unauthenticated AjaxProxy deserialization 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] CWE-798 CVE-2024-28987: The SolarWinds Web Help Desk (WHD) software is affected by a hardcoded credential vulnerability, all 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] CWE-502 CVE-2024-28986: SolarWinds Web Help Desk was found to be susceptible to a Java Deserialization Remote Code Execution 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. Ho

CVE-2025-40551 [CRITICAL] CWE-502 CVE-2025-40551: SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerabil 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] CWE-693 CVE-2025-40536: SolarWinds Web Help Desk was found to be susceptible to a security control bypass vulnerability that 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-2025-40554 [CRITICAL] CWE-1390 CVE-2025-40554: SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, 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-2021-35232 [MEDIUM] CWE-798 CVE-2021-35232: Hard coded credentials discovered in SolarWinds Web Help Desk product. Through these credentials, th Hard coded credentials discovered in SolarWinds Web Help Desk product. Through these credentials, the attacker with local access to the Web Help Desk host machine allows to execute arbitrary HQL queries against the database and leverage the vulnerability to steal the password hashes of the users or insert arbitrary data into the database.

CVE-2025-40552 [CRITICAL] CWE-1390 CVE-2025-40552: SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that 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-2025-40553 [CRITICAL] CWE-502 CVE-2025-40553: SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerabil 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-2024-28988 [CRITICAL] CWE-502 CVE-2024-28988: SolarWinds Web Help Desk was found to be susceptible to a Java Deserialization Remote Code Execution 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. This vulnerability was found by the ZDI team after researching a previous vulnerability and providing this report. The ZDI team was able to discover an u

CVE-2025-40537 [HIGH] CWE-798 CVE-2025-40537: SolarWinds Web Help Desk was found to be susceptible to a hardcoded credentials vulnerability that, 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-2021-35243 [HIGH] CWE-749 CVE-2021-35243: The HTTP PUT and DELETE methods were enabled in the Web Help Desk web server (12.7.7 and earlier), a The HTTP PUT and DELETE methods were enabled in the Web Help Desk web server (12.7.7 and earlier), allowing users to execute dangerous HTTP requests. The HTTP PUT method is normally used to upload data that is saved on the server with a user-supplied URL. While the DELETE method requests that the origin server removes the association between the targe

CVE-2026-28299 [HIGH] CWE-770 CVE-2026-28299: SolarWinds Web Help Desk is found to be affected by a denial-of-service vulnerability, which when ex 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-2025-26400 [MEDIUM] CWE-611 CVE-2025-26400: SolarWinds Web Help Desk was reported to be affected by an XML External Entity Injection (XXE) vulne SolarWinds Web Help Desk was reported to be affected by an XML External Entity Injection (XXE) vulnerability that could lead to information disclosure. A valid, low-privilege access is required unless the attacker had access to the local server to modify configuration files.

CVE-2021-32076 [MEDIUM] CWE-290 CVE-2021-32076: Access Restriction Bypass via referrer spoof was discovered in SolarWinds Web Help Desk 12.7.2. An a Access Restriction Bypass via referrer spoof was discovered in SolarWinds Web Help Desk 12.7.2. An attacker can access the 'Web Help Desk Getting Started Wizard', especially the admin account creation page, from a non-privileged IP address network range or loopback address by intercepting the HTTP request and changing the referrer from the public IP

CVE-2019-16956 [MEDIUM] CWE-79 CVE-2019-16956: SolarWinds Web Help Desk 12.7.0 allows XSS via the Request Type parameter of a ticket. SolarWinds Web Help Desk 12.7.0 allows XSS via the Request Type parameter of a ticket.

CVE-2019-16954 [MEDIUM] CWE-79 CVE-2019-16954: SolarWinds Web Help Desk 12.7.0 allows HTML injection via a Comment in a Help Request ticket. SolarWinds Web Help Desk 12.7.0 allows HTML injection via a Comment in a Help Request ticket.

CVE-2019-16960 [MEDIUM] CWE-79 CVE-2019-16960: SolarWinds Web Help Desk 12.7.0 allows XSS via a CSV template file with a crafted Location Name fiel SolarWinds Web Help Desk 12.7.0 allows XSS via a CSV template file with a crafted Location Name field.

CVE-2019-16961 [MEDIUM] CWE-79 CVE-2019-16961: SolarWinds Web Help Desk 12.7.0 allows XSS via a Schedule Name. SolarWinds Web Help Desk 12.7.0 allows XSS via a Schedule Name.

CVE-2024-45709 [MEDIUM] CWE-22 CVE-2024-45709: SolarWinds Web Help Desk was susceptible to a local file read vulnerability. This vulnerability req SolarWinds Web Help Desk was susceptible to a local file read vulnerability. This vulnerability requires the software be installed on Linux and configured to use non-default development/test mode making exposure to the vulnerability very limited.