Arbitrary code execution in Apache Druid
Apache Druid allows users to read data from other database systems using JDBC. This functionality is to allow trusted users with the proper permissions to set up lookups or submit ingestion tasks. The MySQL JDBC driver supports certain properties, which, if left unmitigated, can allow an attacker to execute arbitrary code from a hacker-controlled malicious MySQL server within Druid server processes. This issue was addressed in Apache Druid 0.20.2
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.apache.druid:druid | < 0.20.2 | 0.20.2 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-26919
- https://github.com/apache/druid/commit/48953e3508967f5156c69676432b5d4dd25ea678
- https://github.com/apache/druid
- https://github.com/apache/druid/releases/tag/druid-0.20.2
- https://lists.apache.org/thread.html/r443e2916c612fbd119839c0fc0729327d6031913a75081adac5b43ad@%3Cdev.druid.apache.org%3E
- https://lists.apache.org/thread.html/r470f8c92eb5df45f41b3ae609b6315b6c5ff51b3ceb2f09f00ca620f@%3Cdev.druid.apache.org%3E
- https://lists.apache.org/thread.html/r6bc68264170046448f823d12c17fd1fd875251d97d60869f58709872@%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/r7a531ec123570cb7875ff991cf115f99e9ef99a48b3cf3fa4f9d9864@%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/ra85fa7d31f9bec1148ffd2e4030934927caa8bff89bca9f61f75e697@%3Cdev.druid.apache.org%3E
- https://lists.apache.org/thread.html/rd87451fce34df54796e66321c40d743a68fb4553d72e7f6f0bc62ebd%40%3Cdev.druid.apache.org%3E
- https://lists.apache.org/thread.html/re0910cf4c784897774427fecd95912fb565a6bd06d924a55e70bbbfc@%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/re4c5deb0aae4bace69844d15c9fd1699e907ebfee93bc3926474d110@%3Cdev.druid.apache.org%3E
- https://lists.apache.org/thread.html/rf3ea2a4018e87e6c45d36cf8479af7727dcc276edabd2f7cf59e0c5f@%3Cdev.druid.apache.org%3E
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-668- Platform
- Java / Kotlin (Maven)
- Package
org.apache.druid:druid- Disclosed
- 16.06.2021
- Updated
- 11.10.2026 11:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-jj4f-p7vv-j4v9 - CC BY 4.0
Vulnerability history: org.apache.druid:druid
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 8
- First → latest
- 06.2021 11.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 2
- Medium 4
- Low 1
Disclosures per year
- 2021: 2
- 2022: 3
- 2023: 0
- 2024: 1
- 2025: 2
- 2026: 0
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