CVE-2026-88808

The Fleet agent in SUSE Rancher Fleet contains a vulnerability where it writes resources to downstream clusters using its own cluster-admin credentials instead of the specific ServiceAccount pinned to the deployment. This flaw impacts multi-tenancy environments where different teams share downstr...

CVE-2026-88808 Fleet agent copies downstream resources with cluster-admin privileges, allowing cross-namespace writes on downstream clusters

A vulnerability has been identified within Rancher Manager where the Fleet agent wrote resources to downstream clusters using its own cluster-admin credentials instead of the ServiceAccount pinned to the deployment. It affects multi-tenancy environments where different tenants share the same...

CVE-2026-88808 Fleet agent copies downstream resources with cluster-admin privileges, allowing cross-namespace writes on downstream clusters

A vulnerability has been identified within Rancher Manager where the Fleet agent wrote resources to downstream clusters using its own cluster-admin credentials instead of the ServiceAccount pinned to the deployment. It affects multi-tenancy environments where different tenants share the same...

CVE-2026-88808 Fleet agent copies downstream resources with cluster-admin privileges, allowing cross-namespace writes on downstream clusters

A vulnerability has been identified within Rancher Manager where the Fleet agent wrote resources to downstream clusters using its own cluster-admin credentials instead of the ServiceAccount pinned to the deployment. It affects multi-tenancy environments where different tenants share the same...

CVE-2026-93540

A privilege mismatch was found in Fleet. When a bundle requested namespace labels or annotations through the namespaceLabels and namespaceAnnotations options, the resulting namespace metadata update was not subject to the same authorization as the rest of the bundle's deployment. As a result, a...

CVE-2026-93539

A vulnerability was discovered in Fleet's Git webhook receiver the gitjob webhook service. When a webhook secret is not configured, incoming webhook requests are accepted without verification, and processing a request can change the spec.pollingInterval field of a matching GitRepo resource in any...

CVE-2026-93538

A cross-tenant authorization issue was discovered in SUSE Rancher Fleet. During agent-initiated cluster registration, cluster labels supplied by the registering agent, including labels in the reserved management.cattle.io/ namespace such as the cluster display name label, were applied to the...

CVE-2026-93540 Fleet applies namespace labels and annotations without the bundle's service account privileges

A privilege mismatch was found in Fleet. When a bundle requested namespace labels or annotations through the namespaceLabels and namespaceAnnotations options, the resulting namespace metadata update was not subject to the same authorization as the rest of the bundle's deployment. As a result, a...

CVE-2026-93540

A privilege mismatch in SUSE Rancher Fleet allows bundles to modify namespace metadata without proper authorization. When using the namespaceLabels or namespaceAnnotations options, the resulting updates bypass the security restrictions applied to the rest of the bundle's deployment. This means a ...

CVE-2026-93540 Fleet applies namespace labels and annotations without the bundle's service account privileges

A privilege mismatch was found in Fleet. When a bundle requested namespace labels or annotations through the namespaceLabels and namespaceAnnotations options, the resulting namespace metadata update was not subject to the same authorization as the rest of the bundle's deployment. As a result, a...

CVE-2026-93540 Fleet applies namespace labels and annotations without the bundle's service account privileges

A privilege mismatch was found in Fleet. When a bundle requested namespace labels or annotations through the namespaceLabels and namespaceAnnotations options, the resulting namespace metadata update was not subject to the same authorization as the rest of the bundle's deployment. As a result, a...

CVE-2026-93539 Unauthenticated GitRepo Spec Mutation via Fleet Git Webhook Receiver

A vulnerability was discovered in Fleet's Git webhook receiver the gitjob webhook service. When a webhook secret is not configured, incoming webhook requests are accepted without verification, and processing a request can change the spec.pollingInterval field of a matching GitRepo resource in any...

CVE-2026-93539

A vulnerability exists in the gitjob webhook service of SUSE Rancher Fleet versions 0.16 before 0.16.2 . When a webhook secret is not configured, the receiver accepts unauthenticated requests, allowing a caller with network access and no Kubernetes credentials to mutate the spec.pollingInterval f...

EUVD-2026-88296

A vulnerability was discovered in Fleet's Git webhook receiver the gitjob webhook service. When a webhook secret is not configured, incoming webhook requests are accepted without verification, and processing a request can change the spec.pollingInterval field of a matching GitRepo resource in any...

CVE-2026-93539 Unauthenticated GitRepo Spec Mutation via Fleet Git Webhook Receiver

A vulnerability was discovered in Fleet's Git webhook receiver the gitjob webhook service. When a webhook secret is not configured, incoming webhook requests are accepted without verification, and processing a request can change the spec.pollingInterval field of a matching GitRepo resource in any...

CVE-2026-93539 Unauthenticated GitRepo Spec Mutation via Fleet Git Webhook Receiver

A vulnerability was discovered in Fleet's Git webhook receiver the gitjob webhook service. When a webhook secret is not configured, incoming webhook requests are accepted without verification, and processing a request can change the spec.pollingInterval field of a matching GitRepo resource in any...

CVE-2026-93537

A user who can supply bundle content to a repository referenced by a GitRepo resource, for example through Git push access, or through permission to create or modify a GitRepo, can cause SUSE Rancher Fleet to read files from the filesystem of the environment that processes the bundle and include...

EUVD-2026-88294

A cross-tenant authorization issue was discovered in SUSE Rancher Fleet. During agent-initiated cluster registration, cluster labels supplied by the registering agent, including labels in the reserved management.cattle.io/ namespace such as the cluster display name label, were applied to the...

CVE-2026-93538

SUSE Rancher Fleet contains a cross-tenant authorization issue where cluster labels supplied by a registering agent are incorrectly applied to the upstream Cluster object. This includes labels in the reserved management.cattle.io/ namespace, such as the cluster display name. Because Fleet uses th...

CVE-2026-93538 Cross-tenant BundleDeployment and Secret disclosure via spoofed cluster labels during agent-initiated registration in Fleet

A cross-tenant authorization issue was discovered in SUSE Rancher Fleet. During agent-initiated cluster registration, cluster labels supplied by the registering agent, including labels in the reserved management.cattle.io/ namespace such as the cluster display name label, were applied to the...