CVE-2026-28329: SolarWinds Observability Self-Hosted Server-Side Request Forgery (SSRF)

Severity: medium (CVSS 6.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-20 · updated 2026-10-20
Weakness: CWE-918

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.

Affected products

SolarWinds Observability Self-Hosted: 2026.2.3 and all previous versions

References

https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm
https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-4_release_notes.htm
https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28329

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