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

Quick assessment

Affected

SolarWinds SolarWinds Observability Self-Hosted

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SolarWinds Observability Self-Hosted是美国SolarWinds公司的一款观察平台。 SolarWinds Observability Self-Hosted存在代码问题漏洞，该漏洞源于不可信数据反序列化，可能导致本地权限提升。

CVSS 7.8 · High EPSS 0.29% · P20 Updated Jul 25, 2025

Possible ATT&CK Techniques 3 AI

T1055 · Process Injection T1068 · Exploitation for Privilege Escalation T1548 · Abuse Elevation Control Mechanism

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I. Basic Information for CVE-2025-26397

Vulnerability Information

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Vulnerability Title

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

Source: CVE Program / CVE List V5

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.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

可信数据的反序列化

Source: CVE Program / CVE List V5

Vulnerability Title

SolarWinds Observability Self-Hosted 代码问题漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
SolarWinds	SolarWinds Observability Self-Hosted	2025.2 and previous versions	-

II. Public POCs for CVE-2025-26397

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2025-26397

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Vendor Pages for CVE-2025-26397 (1)

🔗 SolarWinds Platform 2025.2.1 release notes Read full article

https://www.cve.org/CVERecord?id=CVE-2025-26397

IV. Related Vulnerabilities

Same product: SolarWinds Observability Self-Hosted

Same vendor: SolarWinds

Same weakness: CWE-502

V. Comments for CVE-2025-26397

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Goal Reached Thanks to every supporter — we hit 100%!

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

Quick assessment

Possible ATT&CK Techniques 3 AI

I. Basic Information for CVE-2025-26397

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2025-26397

III. Intelligence Information for CVE-2025-26397

Vendor Pages for CVE-2025-26397 (1)

IV. Related Vulnerabilities

V. Comments for CVE-2025-26397

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