Vulnerability · Published Jun 16, 2026 · Assigned by suse
CVE-2025-71261Harvester's SUSE Virtualization Registration Client Vulnerable to MITM and DOS
High 8.6
In plain English
A high-severity improper certificate validation in Harvester from SUSE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.6High
Exploit odds (30 days)0.2%top 89.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/harvester/harvester | 1.8.0 | GHSA-pgh9-mpwc-8jjf |
| Go | github.com/harvester/harvester | 1.8.0 | GO-2026-5538 |
Affected products (as reported)
Weakness: CWE-295 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H