Critical severityNVD Advisory· Published Jul 2, 2026· Updated Jul 3, 2026
Rancher Fleet vulnerable to cross namespace secret disclosure via unvalidated `valuesFrom` references in Helm Deployer
CVE-2026-44935
Description
Missing validation of "valuesFrom" references in Helm Deployer of SUSE Rancher Fleet 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.15 could be used by owners of one tenant to access fleet credentials of other tenants.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/rancher/fleetGo | >= 0.15.0, < 0.15.2 | 0.15.2 |
github.com/rancher/fleetGo | >= 0.14.0, < 0.14.6 | 0.14.6 |
github.com/rancher/fleetGo | >= 0.13.0, < 0.13.11 | 0.13.11 |
github.com/rancher/fleetGo | >= 0.12.0, < 0.12.15 | 0.12.15 |
Affected products
2- Range: <0.15.2, <0.14.6, <0.13.11, <0.12.15
Patches
Vulnerability mechanics
References
2- github.com/advisories/GHSA-xr65-5cpm-g36xghsaADVISORY
- github.com/rancher/fleet/security/advisories/GHSA-xr65-5cpm-g36xghsavendor-advisoryWEB
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