CVE-2026-28324: SolarWinds Observability Self-Hosted

SolarWinds Observability Self-Hosted Remote Code Execution Vulnerability

CVSS 9.8 CriticalCriticalEPSS 0.0065 · 51st percentile

Critical, because:

CVSS score 9.8: 9.0 or more.

Published by the CVE Program (CNA: SolarWinds) at 22 Sept 2026, 19:11 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
SolarWinds	Observability Self-Hosted	affected before 2026.2.3 custom Other versions: unaffected

Identifiers

CVE-2026-28324

CNA

SolarWinds

Weakness (CWE)

CWE-345

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.8	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (SolarWinds)

CISA KEV Not listed.
EPSS 0.0065, the 51st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 22 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-2-3_release_notes.htm release-notes
www.solarwinds.com/trust-center/security-advisories/CVE-2026-28324 vendor-advisory
documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm secure-configuration-guide
documentation.solarwinds.com/en/success_center/wpm/content/orionwpmagaddingalocation.htm mitigation

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.