CVE-2026-28329SolarWinds Observability Self-Hosted Server-Side Request Forgery (SSRF)
- 6.4MediumCVSS base score
- 0.29%Exploitation in 30 daysEPSS · top 78% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
SolarWinds Observability Self-Hosted was found to be affected by a Server-Side Request Forgery (SSRF) vulnerability that allows authenticated attackers to cause the application server to send requests to attacker-controlled or internal destinations.
Timeline
ID reserved
By SolarWinds
- 8 months later
· 8 months later
Published
- 3 days later
· 3 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| SolarWindsCNA (assigner) | 3.1 | Medium6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
| NVDNVD · Awaiting Analysis | 3.1 | Medium6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.29% · top 78% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.4.
Affected products
SolarWinds · SolarWinds Observability Self-Hosted
- affected 2026.2.3 and all previous versions
What to do
Solution: SolarWinds recommends customers to upgrade to Observability Self-Hosted version 2026.4 as soon as is practical.
References
References3
- https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-4_release_notes.htm (opens in a new tab)release-notes
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28329 (opens in a new tab)vendor-advisory
- https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm (opens in a new tab)x_secure-configuration-guide
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-105178 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-28329)Record last updated .