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CVE-2025-26397

7.8 · HIGH

SolarWinds Observability Self-Hosted is susceptible to Deserialization of Untrusted Data Local Privilege Escalation vulnerability.

Published Jul 24, 2025CWE-502EPSS 0.33%

Overview

CVE-2025-26397 is a high-severity vulnerability. It was published on July 24, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refdocumentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/solarwinds_platform_2025-2-1_release_notes.htmRefwww.solarwinds.com/trust-center/security-advisories/CVE-2025-26397

How CyberStrike helps

Frequently asked questions

What is CVE-2025-26397?

CVE-2025-26397 is a high-severity vulnerability. It was published on July 24, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-26397?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-26397?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-26397?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-26397 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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