Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Denial-of-service in SolarWinds Web Help Desk allows remote unauthenticated attackers to crash the server by exhausting available memory. The flaw is network-reachable with low attack complexity and requires no privileges or user interaction (CVSS 8.2), and no public exploit identified at time of analysis. The issue was reported by SolarWinds and addressed in the Web Help Desk 2026.2 release.
Technical ContextAI
SolarWinds Web Help Desk is a Java-based IT service management and ticketing platform commonly deployed as an internet- or intranet-facing web application. The root cause maps to CWE-770 (Allocation of Resources Without Limits or Throttling), meaning the application accepts attacker-influenced input that drives memory allocation without enforcing an upper bound. When repeatedly or maliciously triggered, the JVM exhausts heap memory and the Web Help Desk server process crashes, taking the ticketing system offline until restarted. The single CPE entry (cpe:2.3:a:solarwinds:web_help_desk:*) indicates the vulnerability is scoped to the Web Help Desk product line rather than a shared SolarWinds component.
RemediationAI
Upgrade SolarWinds Web Help Desk to version 2026.2 or later, which per the SolarWinds release notes (https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-2_release_notes.htm) addresses this issue; consult the vendor advisory at https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28299 for any prerequisite patches or upgrade paths from older branches. Until the upgrade can be scheduled, restrict network reachability of the Web Help Desk web interface to trusted networks via firewall ACLs or VPN, and place the application behind a reverse proxy or WAF that can rate-limit and cap request body sizes to reduce the practical ability to drive memory growth - note that aggressive rate-limiting may also throttle legitimate technicians and end-users submitting large tickets or attachments. Configure JVM and OS monitoring to alert on heap pressure and auto-restart the service so an attack causes brief outages rather than prolonged downtime; this masks symptoms but does not prevent exploitation.
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Same technique Denial Of Service
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-34017
GHSA-f247-223f-rhfm