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TI-2026-22624 Aliases CVE-2026-28325GHSA-r476-9mp7-phxc

SolarWinds Observability Self-Hosted Unauthenticated Remote Code Execution Vulnerability

Priority MEDIUM 43CWE-502Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

SolarWinds Observability Self-Hosted was found to be affected by an unauthenticated remote code execution vulnerability stemming from deserialization of untrusted data when the application is configured to use a specific communication mode.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01518 74th percentileScored 2026-11-07
Fix Fixed Observability Self-Hosted (SolarWinds): 2026.2.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SolarWindsObservability Self-Hostedbefore 2026.2.32026.2.3Patch availableCNA
  • Observability Self-Hosted VendorSolarWinds Affected before 2026.2.3 Fixed in 2026.2.3 Patch available CNA

Remediation

  • Fix · CNA Observability Self-Hosted (SolarWinds) Fixed in 2026.2.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    SolarWinds Observability Self-Hosted 2026.2.3

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2026-22623 SolarWinds Observability Self-Hosted Remote Code Execution VulnerabilityPriority MEDIUM 50
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28325
  2. 2026-10-03 Alias added: GHSA-r476-9mp7-phxc

References

Advisory 1

Other 2

  • TI-2025-27044 SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-27034 SolarWinds Web Help Desk Security Control Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-19358 SolarWinds Web Help Desk Deserialization of Untrusted Data Privilege Escalation Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-19175 SolarWinds Web Help Desk Java Deserialization Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-14105 Serv-U Remote Memory Escape Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2020-08199 Authentication bypass in SolarWinds Orion Platform KEVCVSS 3.1CRITICAL 9.8
See all 349 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences