CVE-2026-94125
Published:November 11, 2026
Updated:November 14, 2026
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.
Affected Packages
https://github.com/apache/storm.git (GITHUB):
Affected version(s) >=v1.1.0 <v3.2.0 || >=v2.0.0 <v3.2.0 || >=v3.0.0 <v3.2.0Fix Suggestion:
Update to version v3.2.0org.apache.storm:storm-core (JAVA):
Affected version(s) >=1.1.0 <3.2.0Fix Suggestion:
Update to version 3.2.0org.apache.storm:storm-server (JAVA):
Affected version(s) >=2.0.0 <3.2.0 || >=3.0.0 <3.2.0Fix Suggestion:
Update to version 3.2.0Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Missing Authorization
EPSS
Base Score:
0.19