CVE-2026-94125 · Package
NO FIX YET · SEE WHAT TO DO
Nimbus returns the worker placement of every topology on a supervisor, including host, port, owner and resource assignment, even for topologies the caller may not read. An authenticated user with Nimbus access can learn where other users' topology workers run.
first public Nov 11, 2026 · 1 source
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Clusters running Nimbus where several users or tenants submit topologies to the same Nimbus and any of them holds valid Nimbus access. Single-tenant clusters, or clusters where only trusted operators can reach Nimbus, are less exposed. The sources do not list the exact affected version range beyond the recommendation to upgrade to 3.2.0.
Not affected if no-untrusted-users, single-tenant
Who cares apache-storm, multi-tenant, nimbus
3.2.0 per the advisory text.3.2.0.Nimbus returns the worker placement of every topology running on a supervisor, including the host, port, owner and resource assignment of topologies the caller is not authorized to read. In a multi-tenant cluster, an authenticated user who is allowed to access Nimbus can learn where the workers of other users' topologies run. Users are recommended to upgrade to version 3.2.0, which fixes the issue.
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