Apache Storm supervisor page leaks other topologies (CVE-2026-94125)
An authenticated Nimbus user can see host, port, owner and resources for topologies they cannot read.
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CVE-2026-94125
Missing authorization in Apache Storm Nimbus worker placement
- CVSS
- —
- EPSS
- —
- Published
- ·
- Modified
AI analysisSummaries by Vani AI
Apache Storm Nimbus returns worker placement for every topology on a supervisor, including host, port, owner, and resource assignment for topologies the caller is not allowed to read. An authenticated user who can reach Nimbus on a multi-tenant cluster can learn where other users' topology workers run. Affected version ranges are not stated; 3.2.0 fixes the issue.
What to do: Upgrade Apache Storm to 3.2.0, which fixes the disclosure.
| Product | Affected | Fixed in |
|---|---|---|
| Apache Storm | — | 3.2.0 |
Estimated exposure
No basis for an estimate.
Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.
Description · NVD
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.
- Weakness
- CWE-862