CVE-2026-44936
Rancher Fleet has SSRF in Bundle Reader via Unvalidated Helm Repository URL in fleet.yaml in github.com/rancher/fleet
5.0
MEDIUM
CVSS 3.1
EPSS 0.39%
Description
Rancher Fleet has SSRF in Bundle Reader via Unvalidated Helm Repository URL in fleet.yaml in github.com/rancher/fleet
How to fix CVE-2026-44936
To remediate CVE-2026-44936, upgrade the affected package to a fixed version below.
- Go/github.com/rancher/fleet—upgrade to 0.15.2 or later
- —upgrade to 0.12.15 or later
Is CVE-2026-44936 being exploited?
Low — EPSS is 0.4%, 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 | MEDIUM5.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |