Insufficient Validation in Helm Deployer Affects SUSE Rancher Fleet
CVE-2026-44935

9.9CRITICAL

Key Information:

Vendor

Suse
Status
Rancher
Vendor
CVE Published:
2 July 2026

What is CVE-2026-44935?

The Helm Deployer in SUSE Rancher Fleet versions prior to 0.15.2, 0.14.6, 0.13.11, and 0.12.15 exhibits insufficient validation of 'valuesFrom' references. This flaw enables malicious actors within one tenant to inadvertently gain access to sensitive fleet credentials belonging to other tenants, potentially compromising the security and isolation expected in multi-tenant environments.

Affected Version(s)

Rancher 0.15.0 < 0.15.2

Rancher 0.14.0 < 0.14.6

Rancher 0.13.0 < 0.13.11

References

https://github.com/rancher/fleet/security/advisories/GHSA...
vendor-advisory

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.