High severity · published Jul 24, 2025
CVE-2025-26397
SolarWinds Observability Self-Hosted is susceptible to Deserialization of Untrusted Data Local Privilege Escalation vulnerability
7.8
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OS
Observability Self-hosted · Solarwinds
before 2025.2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-26397
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-26397
Release Notes
https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/solarwinds_platform_2025-2-1_release_notes.htm
Patch
https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26397
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