CVE-2026-44936: medium-severity vulnerability in SUSE Rancher
Rancher Fleet SSRF in Bundle Reader via Unvalidated Helm Repository URL in fleet.yaml
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5epss 0.3%
Missing filtering when the helmRepoURLRegex field isn't set on a GitRepo resource in SUSE Rancher Fleet's bundle reader in 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 forwards Helm authentication credentials (BasicAuth) to any URL specified in the helm.repo field of a fleet.yaml file, allowing attackers able to push to fleet monitored git repos to leak helm access credentials.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
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%