cvedb.io
CVE-2023-25558
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2023-02-11T01:23:26.437 · Last modified 2026-06-17T05:41:29.327

Summary

DataHub is an open-source metadata platform. When the DataHub frontend is configured to authenticate via SSO, it will leverage the pac4j library. The processing of the `id_token` is done in an unsafe manner which is not properly accounted for by the DataHub frontend. Specifically, if any of the id_token claims value start with the {#sb64} prefix, pac4j considers the value to be a serialized Java object and will deserialize it. This issue may lead to Remote Code Execution (RCE) in the worst case. Although a `RestrictedObjectInputStream` is in place, that puts some restriction on what classes can be deserialized, it still allows a broad range of java packages and potentially exploitable with different gadget chains. Users are advised to upgrade. There are no known workarounds. This vulnerabi

Affected products

datahub_project — datahub

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.