CVE-2024-48916 – Ceph JWT Algorithm Validation Bypass Vulnerability

The following table lists the changes that have been made to the
CVE-2024-48916 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Jul. 30, 2025

    Action Type Old Value New Value
    Added Description Ceph is a distributed object, block, and file storage platform. In versions 19.2.3 and below, it is possible to send an JWT that has “none” as JWT alg. And by doing so the JWT signature is not checked. The vulnerability is most likely in the RadosGW OIDC provider. As of time of publication, a known patched version has yet to be published.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
    Added CWE CWE-345
    Added Reference https://github.com/ceph/ceph/security/advisories/GHSA-5g9m-mmp6-93mq
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