Vulnerability in Ceph

CVE-2024-48916

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (8.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-48916: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Ceph — versions <= 19.2.3

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-48916?
CVE-2024-48916 is a high-severity vulnerability in Ceph, classified under Insufficient Verification of Data Authenticity. CVSS score: 8.1/10. Published 2025-07-30.
How severe is CVE-2024-48916?
High severity. CVSS v3 base score is 8.1 out of 10.