CVE-2026-44935
Rancher Fleet vulnerable to cross namespace secret disclosure via unvalidated `valuesFrom` references in Helm Deployer in github.com/rancher/fleet
9.9
CRITICAL
CVSS 3.1
EPSS 0.58%
Description
Rancher Fleet vulnerable to cross namespace secret disclosure via unvalidated `valuesFrom` references in Helm Deployer in github.com/rancher/fleet
How to fix CVE-2026-44935
To remediate CVE-2026-44935, upgrade the affected package to a fixed version below.
- —upgrade to 0.15.2 or later
- —upgrade to 0.12.15 or later
Is CVE-2026-44935 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 0.15.0, < 0.15.2
- >= 0.12.0, < 0.12.15, >= 0.13.0, < 0.13.11, >= 0.14.0, < 0.14.6, >= 0.15.0, < 0.15.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |