CVE-2026-28318 SolarWinds Serv-U Unauthenticated Denial of Service Vulnerability

SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update...

CVE-2026-28318 SolarWinds Serv-U Unauthenticated Denial of Service Vulnerability

SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update...

CVE-2026-28318

SolarWinds Serv-U is affected by an unauthenticated Denial of Service vulnerability triggered by specially crafted POST requests with Content-Encoding: deflate. The issue can crash the Serv-U service, with exploitation observed in reports and advisories. SolarWinds has released a hotfix and mitig...

CVE-2026-28318

SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update...

EUVD-2026-34268

SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update...

CVE-2026-28318: Uncontrolled Resource Consumption

SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update...

SolarWinds Serv-U 资源管理错误漏洞

SolarWinds Serv-U is an FTP File Transfer Protocol server software developed by the American company SolarWinds. SolarWinds Serv-U has a resource management vulnerability that stems from unvalidated POST requests using the Content-Encoding: deflate header, which can lead to service crashes...

PT-2026-46239

Name of the Vulnerable Software and Affected Versions SolarWinds Serv-U versions prior to 15.5.4 Hotfix 1 Description SolarWinds Serv-U is susceptible to uncontrolled resource consumption when processing compressed HTTP request bodies. An unauthenticated remote attacker can trigger a...

Vulnerabilities fixed in SolarWinds Serv-U

SolarWinds has fixed vulnerabilities in Serv-U. The vulnerabilities are in how Serv-U controls access and processes data types. Attackers with administrative privileges can exploit these vulnerabilities to gain unauthorized system access and execute arbitrary code with elevated privileges. This c...

CVE-2025-40540

A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arbitrary native code as privileged account. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services...

CVE-2025-40539

A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arbitrary native code as privileged account. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services...

CVE-2025-40538

A broken access control vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to create a system admin user and execute arbitrary code as a privileged account via domain admin or group admin privileges. This issue requires administrative privileges to abuse. On...

CVE-2025-40541

An Insecure Direct Object Reference IDOR vulnerability exists in Serv-U, which when exploited, gives a malicious actor the ability to execute native code as a privileged account. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because...

SolarWinds Patches 4 Critical Serv-U 15.5 Flaws Allowing Root Code Execution

SolarWinds has released updates to address four critical security flaws in its Serv-U file transfer software that, if successfully exploited, could result in remote code execution. The vulnerabilities, all rated 9.1 on the CVSS scoring system, are listed below - CVE-2025-40538 - A broken access...

CVE-2025-40541

An Insecure Direct Object Reference IDOR vulnerability exists in Serv-U, which when exploited, gives a malicious actor the ability to execute native code as a privileged account. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because...

CVE-2025-40540

A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arbitrary native code as privileged account. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services...

CVE-2025-40541

An Insecure Direct Object Reference IDOR vulnerability exists in Serv-U, which when exploited, gives a malicious actor the ability to execute native code as a privileged account. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because...

CVE-2025-40540

A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arbitrary native code as privileged account. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services...

CVE-2025-40538

A broken access control vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to create a system admin user and execute arbitrary code as a privileged account via domain admin or group admin privileges. This issue requires administrative privileges to abuse. On...

CVE-2025-40538

A broken access control vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to create a system admin user and execute arbitrary code as a privileged account via domain admin or group admin privileges. This issue requires administrative privileges to abuse. On...