CVE-2026-28328: Incorrect Authorization Flaw in SolarWinds Observability Self-Hosted Scores 8.8 on CVSS
A newly published high vulnerability in SolarWinds Observability Self-Hosted carries a CVSS score of 8.8. Here is what is affected and how to respond.
Key points
- CVE-2026-28328 affects SolarWinds Observability Self-Hosted.
- CVSS 8.8 (High).
- No exploitation confirmed yet.
A high incorrect authorization tracked as CVE-2026-28328 has been published in the National Vulnerability Database for SolarWinds Observability Self-Hosted, with a CVSS base score of 8.8.
At a glance
- CVE
- CVE-2026-28328
- Product
- SolarWinds Observability Self-Hosted
- CVSS
- 8.8 High
- Weakness
- incorrect authorization
- Exploited
- No known exploitation
What is the vulnerability?
The NVD entry states: SolarWinds Observability Self-Hosted was found to be affected by a broken authorization schema that can allow low-privileged users to access and modify information beyond their assigned permissions.
Affected versions
| Vendor | Product | Versions |
|---|---|---|
| Solarwinds | SolarWinds Observability Self-Hosted | 2026.2.3 and all previous versions |
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is it being exploited?
There is no public confirmation of exploitation at the time of publication. It does not appear in CISA's Known Exploited Vulnerabilities catalog. We will update this report if that changes.
What should you do?
- Identify whether the affected product and versions run in your environment.
- Apply the vendor update listed in the advisory as soon as it is available.
- Limit network exposure of the affected service until it is patched.
- Monitor the vendor advisory for updated guidance or exploitation reports.
What to do and how to stay safe: CVE-2026-28328
- Vulnerability severity scores ignore your specific architecture and context.
- Exploitability depends on network exposure and user behavior, not just code flaws.
- Prioritization requires continuous asset inventory and threat intelligence alignment.
Risk-based vulnerability management focuses your limited resources on the flaws that actually threaten your business. Start by mapping your critical assets and checking for active exploits to prioritize your backlog.
Step-by-step guide: Risk-Based Vulnerability Management: Prioritize Fixes by Actual Danger
General security guidance from the Threat Times newsroom. It is not confirmed advice from the organisations named in this story.
Frequently asked questions
What is CVE-2026-28328?
CVE-2026-28328 is a incorrect authorization vulnerability in SolarWinds Observability Self-Hosted.
How severe is CVE-2026-28328?
It has a CVSS score of 8.8 High.
Is CVE-2026-28328 being exploited?
There is no public confirmation of exploitation at the time of publication.
