CVE-2026-28299: SolarWinds Web Help Desk is found to be affected by a denial-of-service vulnerability, which when exploited, c

Q: How do I fix CVE-2026-28299?

web help desk: upgrade to 2026.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-28299 being exploited?

CVE-2026-28299 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-28299 affect?

CVE-2026-28299 affects web help desk. Severity is high (CVSS 8.2). 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.

Q: How urgent is CVE-2026-28299?

Priority 47/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 8.2REMOTEUPGRADE

CVE-2026-28299 is a high-severity flaw (CVSS 8.2) affecting web help desk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-770
Published	2026-06-02
Last modified	2026-07-22

Publisher (CNA): SolarWinds · Vendor: solarwinds

Last updated 2026-07-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-02 20:16 UTCPublished CVE record published
2026-07-22 19:10 UTCUpdated Record last modified

solarwinds web help desk UPGRADE

Affected: < 2026.2

Fixed in: 2026.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy web-help-desk || rpm -q web-help-desk || web-help-desk --version

2. UPGRADE to 2026.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade web-help-desk

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade web-help-desk

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-28299?

web help desk: upgrade to 2026.2. Exact commands for each OS are on this page.

Is CVE-2026-28299 being exploited?

CVE-2026-28299 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-28299 affect?

CVE-2026-28299 affects web help desk. Severity is high (CVSS 8.2). 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.

How urgent is CVE-2026-28299?

Priority 47/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-28323 CRITICAL 9.8 UPGRADE SolarWinds Web Help Desk is found to be affected by a SAML authentication bypass vulnerability

References

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