What is CVE-2026-28299?

CVE-2026-28299 is a high-severity vulnerability in Solarwinds Web Help Desk, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 8.2/10. Published 2026-06-02.

How severe is CVE-2026-28299?

High severity. CVSS v3 base score is 8.2 out of 10.

Resource exhaustion in Solarwinds Web Help Desk

CVE-2026-28299

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.

EPSS: 0.001 (18.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Solarwinds Web Help Desk — versions 2026.1 and all previous versions
Solarwinds Web_help_desk

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

psirt@solarwinds.com (vendor-advisory, Vendor Advisory)
psirt@solarwinds.com (release-notes, Release Notes)

Frequently asked questions

What is CVE-2026-28299?: CVE-2026-28299 is a high-severity vulnerability in Solarwinds Web Help Desk, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 8.2/10. Published 2026-06-02.
How severe is CVE-2026-28299?: High severity. CVSS v3 base score is 8.2 out of 10.