CVE-2026-28329
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Server-Side Request Forgery in SolarWinds Observability Self-Hosted

Publication date: 2026-10-20

Last updated on: 2026-10-20

Assigner: SolarWinds

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.

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Meta Information

Published
2026-10-20
Last Modified
2026-10-20
Generated
2026-11-10
AI Q&A
2026-10-20
EPSS Evaluated
2026-11-08
NVD
CVE-2026-28329
EUVD
EUVD-2026-105178

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
SolarWinds SolarWinds Observability Self-Hosted 2026.2.3 and all previous versions

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

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Executive Summary

This is a Server-Side Request Forgery (SSRF) vulnerability in SolarWinds Observability Self-Hosted. It allows authenticated attackers to trick the application server into sending requests to attacker-controlled or internal destinations.

Detection Guidance

Detecting SSRF vulnerabilities like CVE-2026-28329 typically involves monitoring network traffic for unusual outbound requests from the SolarWinds Observability Self-Hosted server. Check logs for unexpected connections to internal or external destinations, especially those initiated by authenticated users. Inspect firewall and proxy logs for requests originating from the application server to unauthorized endpoints.

Impact Analysis

An attacker could exploit this to access internal systems, exfiltrate data, or perform unauthorized actions on behalf of the application server. This may lead to data breaches or further network compromise.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR (data protection) and HIPAA (health data privacy) requirements. Compliance may be compromised if sensitive data is exposed.

Mitigation Strategies

Apply the latest security patches or updates provided by SolarWinds for Observability Self-Hosted to address the SSRF vulnerability. Ensure authentication requirements are enforced and restrict internal network access to trusted sources only.

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