Quarkus 3.33.4.2 released - LTS emergency release
Today, we released Quarkus 3.33.4.2, an emergency release for the 3.33 LTS stream.
This release fixes the following CVEs:
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CVE-2026-107912 - Quarkus Vert.x HTTP: Authorization bypass in the management interface due to incorrect combination of the management root path with permission rules
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CVE-2026-110879 - Jackson Databind: PolymorphicTypeValidator bypass via generic type parameters and array element types of type ids (incomplete fix for CVE-2026-54512)
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CVE-2026-111497 - Brotli (via Brotli4J): Heap out-of-bounds write in the Brotli decoder leading to remote code execution
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Everything else resolved by Jackson 2.21.8 (CVEs in the Avro, CBOR, Protobuf and Smile dataformat modules, which are not part of Quarkus itself but are managed by the Quarkus BOM)
It should be a safe upgrade for anyone already using 3.33.
Update
To update to Quarkus 3.33, we recommend updating to the latest version of the Quarkus CLI and run:
quarkus update --stream=3.33Note that quarkus update can update your applications from any version of Quarkus (including 2.x) to Quarkus 3.33.
Full changelog
You can get the full changelog of 3.33.4.2 on GitHub.
Come Join Us
We value your feedback a lot so please report bugs, ask for improvements… Let’s build something great together!
If you are a Quarkus user or just curious, don’t be shy and join our welcoming community:
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provide feedback on GitHub;
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craft some code and push a PR;
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discuss with us on Zulip and on the mailing list;
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ask your questions on Stack Overflow.
