| Package | Affected versions | Patched versions |
|---|---|---|
| org.apache.druid.extensions:druid-pac4j | ≥ 0.18.0, < 30.0.1 | 30.0.1 |
| druid | ≥ 0.18.0, < 30.0.1 | 30.0.1 |
Padding Oracle vulnerability in Apache Druid extension, druid-pac4j. This could allow an attacker to manipulate a pac4j session cookie.
This issue affects Apache Druid versions 0.18.0 through 30.0.0. Since the druid-pac4j extension is optional and disabled by default, Druid installations not using the druid-pac4j extension are not affected by this vulnerability.
While we are not aware of a way to meaningfully exploit this flaw, we nevertheless recommend upgrading to version 30.0.1 or higher which fixes the issue and ensuring you have a strong druid.auth.pac4j.cookiePassphrase as a precaution.
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