What is CVE-2025-71261?

CVE-2025-71261 is a high-severity vulnerability in Suse Harvester, classified under Improper Certificate Validation. CVSS score: 8.6/10. Published 2026-06-16.

How severe is CVE-2025-71261?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Suse Harvester

CVE-2025-71261

An attacker with network-level access between the SUSE Virtualization and Rancher Manager in SUSE Harvester before 1.8.0 could interfere with the TLS handshake and abuse it to bypass TLS as a security control.

Vulnerability class: Improper Certificate Validation

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.

Affected products

Suse Harvester — versions 0

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

meissner@suse.de (vendor-advisory)

Frequently asked questions

What is CVE-2025-71261?: CVE-2025-71261 is a high-severity vulnerability in Suse Harvester, classified under Improper Certificate Validation. CVSS score: 8.6/10. Published 2026-06-16.
How severe is CVE-2025-71261?: High severity. CVSS v3 base score is 8.6 out of 10.