CVE-2025-26397

SolarWinds Observability Self-Hosted Deserialization of Untrusted Data Local Privilege Escalation Vulnerability

Published Jul 24, 2025 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

SolarWinds recommends that customers upgrade to SolarWinds Observability Self-Hosted 2025.2.1 as soon as it becomes available.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-22489 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.
History
Type Values Removed Values Added
First Time appeared Solarwinds
Solarwinds observability Self-hosted
CPEs cpe:2.3:a:solarwinds:observability_self-hosted:*:*:*:*:*:*:*:*
Vendors & Products Solarwinds
Solarwinds observability Self-hosted
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title SolarWinds Observability Self-Hosted Deserialization of Untrusted Data Local Privilege Escalation Vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
SolarWinds
Published
Updated
Jul 24, 2025, 1:16 PM
Reserved
Feb 8, 2025, 12:19 AM
Status
Analyzed
Published
Jul 24, 2025, 8:15 AM
Modified
Jun 17, 2026, 9:01 AM