TLS Handshake Bypass Vulnerability in SUSE Harvester and Rancher Manager
CVE-2025-71261

8.6HIGH

Key Information:

Vendor

Suse
Status
Harvester
Vendor
CVE Published:
16 June 2026

What is CVE-2025-71261?

An identified vulnerability affects SUSE Harvester prior to version 1.8.0 and represents a risk for users interacting with Rancher Manager. Attackers possessing network-level access may exploit this flaw to disrupt the TLS handshake process, undermining the intended security protocols. This vulnerability poses a significant risk as it allows for the potential circumvention of TLS as a protective measure, leading to unauthorized access and data interception.

Affected Version(s)

Harvester 0 < 1.8

References

https://github.com/harvester/harvester/security/advisorie...
vendor-advisory

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.