TI-2025-19356 Aliases CVE-2025-26397 GHSA-4jq7-688w-w4r4

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

LOW 36CWE-502Published 2025-07-24 · Updated 2025-07-24

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00345 28th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
SolarWinds	SolarWinds Observability Self-Hosted	2025.2 and previous versions and later	—	No fix listed	CNA

SolarWinds Observability Self-Hosted VendorSolarWinds Affected 2025.2 and previous versions and later Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:solarwinds:observability_self-hosted::::::::	before 2025.2.1	Vulnerable	SolarWinds

cpe:2.3:a:solarwinds:observability_self-hosted:*:*:*:*:*:*:*:* Versions before 2025.2.1 Vulnerable ·SolarWinds

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-26397
2026-10-03 Alias added: GHSA-4jq7-688w-w4r4

References

Patch 1

https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26397

Other 1

https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/solarwinds_platform_2025-2-1_release_notes.htm

TI-2026-22601 SolarWinds Observability Self-Hosted Stored Cross-Site Scripting Vulnerability CVSS 3.1HIGH 8.7
TI-2026-22602 SolarWinds Observability Self-Hosted Stored Cross-Site Scripting Vulnerability CVSS 3.1HIGH 8.1
TI-2025-19354 SolarWinds SWOSH DOM-based reflective XSS Vulnerability CVSS 3.1HIGH 7.1
TI-2025-19351 SolarWinds Observability Self-Hosted SQL Injection Vulnerability CVSS 3.1MEDIUM 5.4
TI-2025-19350 Cross-site scripting in SolarWinds Observability Self-Hosted CVSS 3.1MEDIUM 5.4
TI-2025-27040 SolarWinds Observability Self-Hosted Open Redirection Vulnerability CVSS 3.1MEDIUM 4.8

See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences