CVE-2025-26397
SolarWinds Observability Self-Hosted Deserialization of Untrusted Data Local Privilege Escalation Vulnerability
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.
INFO
Published Date :
July 24, 2025, 8:15 a.m.
Last Modified :
Nov. 12, 2025, 7:17 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update SolarWinds Observability to the latest version.
- Restrict access to sensitive system folders.
- Monitor for unauthorized file system modifications.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-26397.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-26397 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-26397
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-26397 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-26397 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Nov. 12, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:solarwinds:observability_self-hosted:*:*:*:*:*:*:*:* versions up to (excluding) 2025.2.1 Added Reference Type SolarWinds: https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/solarwinds_platform_2025-2-1_release_notes.htm Types: Release Notes Added Reference Type SolarWinds: https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26397 Types: Patch, Vendor Advisory -
New CVE Received by [email protected]
Jul. 24, 2025
Action Type Old Value New Value 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. Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-502 Added Reference https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/solarwinds_platform_2025-2-1_release_notes.htm Added Reference https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26397