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CVE-2025-62877

9.8 · CRITICAL

Projects using the SUSE Virtualization (Harvester) environment may expose the OS default ssh login password  if they are using the 1.5.x or 1.6.x interactive installer to either create a new cluste…

Published Jan 8, 2026CWE-1188EPSS 0.51%

Overview

CVE-2025-62877 is a critical-severity vulnerability. It was published on January 8, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Projects using the SUSE Virtualization (Harvester) environment may expose the OS default ssh login password  if they are using the 1.5.x or 1.6.x interactive installer to either create a new cluster or add new hosts to an existing cluster. The environment is not affected if the PXE boot mechanism is utilized along with the Harvester configuration setup.

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

Refbugzilla.suse.com/show_bug.cgi?id=CVE-2025-62877GitHubgithub.com/harvester/harvester/security/advisories/GHSA-6g8q-hp2j-gvwv

How CyberStrike helps

Frequently asked questions

What is CVE-2025-62877?

CVE-2025-62877 is a critical-severity vulnerability. It was published on January 8, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-62877?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-62877?

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-2025-62877?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-62877 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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