Allocation of Resources Without Limits or Throttling Affecting org.apache.storm:storm-server package, versions [3.0.0,3.1.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published28 Sept 2026
- disclosed14 Sept 2026
- creditUnknown
Introduced: 14 Sep 2026
NewCVE-2026-82439 (opens in a new tab)How to fix?
Upgrade org.apache.storm:storm-server to version 3.1.0 or higher.
Overview
org.apache.storm:storm-server is a distributed realtime computation system.
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the DRPC process. An attacker can cause unbounded memory consumption by sending numerous unique function names, leading to exhaustion of server resources. This is possible because entries for each function name are never removed, and no authentication is required by default to access the endpoint.
Workaround
This vulnerability can be mitigated by configuring drpc.authorizer to restrict access to trusted principals and ensuring DRPC ports are not accessible from untrusted networks.