CVE-2026-44935: critical vulnerability in SUSE Rancher
Rancher Fleet vulnerable to cross namespace secret disclosure via unvalidated `valuesFrom` references in Helm Deployer
Published · Updated
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.9epss 0.5%
exploitation probability
0.5%top 58% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products
SUSE · RancherRelated CVEs — SUSE Rancher
In the same product, most dangerous first.
CVE-2021-36782CRITICALRancher: Plaintext storage and exposure of credentials in Rancher API and cluster.management.cattle.io objectEPSS 4.2%CVE-2022-31249HIGH[RANCHER] OS command injection in Rancher and FleetEPSS 3.8%CVE-2022-43755HIGHRancher: Non-random authentication tokenEPSS 1.7%CVE-2021-25313HIGHRancher: XSS on /v3/cluster/EPSS 1.5%CVE-2026-44939CRITICALCommand injection through unsanitized YAML parameter in RancherEPSS 1.3%CVE-2021-36776HIGHSteve API proxy impersonationEPSS 1.1%