SolarWinds Web Help Desk Denial-of-Service Vulnerability

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Summary

CVECVE-2026-28299
StatePUBLISHED
AssignerSolarWinds
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-02 20:16:33 UTC
Updated2026-06-04 18:39:25 UTC
DescriptionSolarWinds 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.000830000 probability, percentile 0.241450000 (date 2026-06-09)

Problem Types: CWE-770 | CWE-770 CWE-770 Allocation of Resources Without Limits or Throttling

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1[email protected]Secondary8.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
3.1CNACVSS8.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Solarwinds Web Help Desk All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA SolarWinds Web Help Desk affected 2026.1 and all previous versions Not specified

References

ReferenceSourceLinkTags
documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-2_releas... [email protected] documentation.solarwinds.com Release Notes
www.solarwinds.com/trust-center/security-advisories/CVE-2026-28299 [email protected] www.solarwinds.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Tenable (en)

Additional Advisory Data

Solutions

CNA: SolarWinds recommends customers upgrade to the latest version as soon as is practical.

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