CVE-2026-41053: high-severity vulnerability in SUSE Rancher
Over-inclusive team membership expansion in GitHub App authentication provider for Rancher
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.5%
exploitation probability
0.5%top 56% of all CVEs
observed exploitation
nono source reports it
Incorrect authentication caching in the team member ship expansion of the Rancher Github authentication provider caused it granting principal access to any logged in user, in 2.13 before 2.13.6 and 2.14 before 2.14.2.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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%