SolarWinds Observability Self-Hosted up to 2025.2 deserialization

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in SolarWinds Observability Self-Hosted up to 2025.2. This impacts an unknown function. This manipulation causes deserialization. This vulnerability is handled as CVE-2025-26397. It is possible to launch the attack on the local host. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in SolarWinds Observability Self-Hosted up to 2025.2. It has been declared as critical. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE 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.

The weakness was released by Ccc. It is possible to read the advisory at solarwinds.com. This vulnerability is known as CVE-2025-26397 since 02/08/2025. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 2025.2.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-22489) and CERT Bund (WID-SEC-2025-1632). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • SolarWinds Platform

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (SolarWinds): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Observability Self-Hosted 2025.2.1

Timelineinfo

02/08/2025 CVE reserved
07/24/2025 +165 days Advisory disclosed
07/24/2025 +0 days VulDB entry created
11/13/2025 +112 days VulDB entry last update

Sourcesinfo

Vendor: solarwinds.com

Advisory: solarwinds.com
Researcher: Ccc
Status: Confirmed

CVE: CVE-2025-26397 (🔒)
GCVE (CVE): GCVE-0-2025-26397
GCVE (VulDB): GCVE-100-317491
EUVD: 🔒
CERT Bund: WID-SEC-2025-1632 - SolarWinds Platform: Schwachstelle ermöglicht Privilegieneskalation

Entryinfo

Created: 07/24/2025 11:51
Updated: 11/13/2025 03:58
Changes: 07/24/2025 11:51 (63), 07/24/2025 14:47 (7), 07/24/2025 16:24 (1), 11/13/2025 03:58 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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