PatchTonightVulnerabilities. Without the noise.
Get alerts

SolarWinds Platform (Orion)

CVE-2025-26397: SolarWinds Observability Self-Hosted Deserialization of Untrusted Data Local Privilege Escalation Vulnerability

SolarWinds Observability Self-Hosted is susceptible to Deserialization of Untrusted Data Local Privilege Escalation vulnerability.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 3.1 7.8
EPSS0.29%Chance of exploitation in 30 days
Public exploitNot tracked
FixSee advisory

Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.

Affected and fixed versions

Product / branchFixed in
SolarWinds Observability Self-Hosted 2025.2 and previous versionsSee the advisory

Always confirm against the vendor advisory, which lists every fixed hotfix.

What it is

SolarWinds Observability Self-Hosted is susceptible to Deserialization of Untrusted Data Local Privilege Escalation vulnerability. An attacker with low privileges can escalate privileges to run malicious files copied to a permission-protected folder. This vulnerability requires authentication from a low-level account and local access to the host server.

Sources

KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.

Get alerts

A notification when we publish a new analysis or a covered vendor gets a new actively exploited CVE. No account, no email.