High severity · published Jun 16, 2026
CVE-2025-71261
Harvester's SUSE Virtualization Registration Client Vulnerable to MITM and DOS
8.6
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HA
Harvester · SUSE
before 1.8 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-71261
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-71261
github.com
https://github.com/harvester/harvester/security/advisories/GHSA-pgh9-mpwc-8jjf
More from Harvester
9.8
CVE-2025-62877
Harvest may expose OS default ssh login password via SUSE Virtualization Interactive Installer
3.8
CVE-2025-67860
NeuVector scanner insecurely handles passwords as command arguments