# CVE-2026-28325: SolarWinds Observability Self-Hosted unauthenticated remote code execution

Source: https://junglewise.ai/threats/cve-2026-28325-solarwinds-observability-self-hosted-was-found-to-be-affected-by  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-22. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-28325 · Severity: high · CVSS 8.8 · Published 2026-09-22

SolarWinds Observability Self-Hosted is a full-stack monitoring and observability platform used by IT teams to monitor complex hybrid cloud environments. An unauthenticated attacker can execute arbitrary code remotely by sending specially crafted data to an affected instance configured with a specific communication mode. This requires no user interaction and can lead to complete system compromise and data breach.

Technologies: [SolarWinds Observability Self-Hosted](https://junglewise.ai/threats/technologies/observability-self-hosted). Vendors: [SolarWinds](https://junglewise.ai/threats/vendors/solarwinds).

## Quick answers

**Is CVE-2026-28325 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-28325 being exploited in the wild.

**How severe is CVE-2026-28325?** High severity, with a CVSS score of 8.8, published 22 September 2026.

**Which products and versions are affected?** SolarWinds Observability Self-Hosted.

**Is there a fix for CVE-2026-28325?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-28325 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-28325?** Check whether you run SolarWinds Observability Self-Hosted. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a deserialization of untrusted data flaw that allows unauthenticated remote code execution when the application is configured to use a particular communication mode. An attacker can craft malicious serialized objects and send them over the network to trigger code execution on the target system. The attack requires no authentication and can be exploited directly by a remote attacker.

## Affected products

- SolarWinds Observability Self-Hosted

## Timeline

- 2026-09-22: disclosed: CVE-2026-28325 published

## References

- [https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm](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_2026-2-3_release_notes.htm](https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-2-3_release_notes.htm)

## Related threats

- [SolarWinds Observability Self-Hosted stored XSS vulnerability](https://junglewise.ai/threats/cve-2026-28330-solarwinds-observability-self-hosted-was-found-to-be-affected-by)
- [SolarWinds Observability Self-Hosted SSRF in web application](https://junglewise.ai/threats/cve-2026-28329-solarwinds-observability-self-hosted-was-found-to-be-affected-by)
- [SolarWinds Observability Self-Hosted broken authorization in user access control](https://junglewise.ai/threats/cve-2026-28328-solarwinds-observability-self-hosted-was-found-to-be-affected-by)
- [SolarWinds Observability Self-Hosted unauthenticated remote code execution](https://junglewise.ai/threats/cve-2026-28324-solarwinds-observability-self-hosted-was-found-to-be-affected-by)
- [SolarWinds Observability Self-Hosted open redirect](https://junglewise.ai/threats/cve-2026-28301-solarwinds-observability-self-hosted-open-redirect)