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Fencer Vulns
high 8.1

CVE-2024-48916 json

Ceph is vulnerable to authentication bypass through RadosGW

published 2025-07-30 15 mo ago modified 2026-06-17 4 mo ago also BIT-ceph-2024-48916 , EUVD-2024-54839 , GHSA-5g9m-mmp6-93mq

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 12%
public exploits
0
none known

Summary

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.

Patch / fix

  • bitnami ceph 20.2.1
  • ceph Debian 12 16.2.15+ds-0+deb12u1
  • ceph Debian 14, Debian 13 18.2.4+ds-11

debian advisories DEBIAN-CVE-2024-48916

  • ceph Ubuntu 22.04 LTS 17.2.7-0ubuntu0.22.04.2
  • ceph Ubuntu 24.04 LTS 19.2.0-0ubuntu0.24.04.2

ubuntu advisories UBUNTU-CVE-2024-48916

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ceph ceph storage 8.1 2:19.2.1-423.el9cp
  • cephadm ceph storage 8.1 2:19.2.1-423.el9cp
  • librbd1 ceph storage 8.1 2:19.2.1-423.el9cp
  • librgw2 ceph storage 8.1 2:19.2.1-423.el9cp
  • rbd-nbd ceph storage 8.1 2:19.2.1-423.el9cp
  • ceph-mib ceph storage 8.1 2:19.2.1-423.el9cp
  • ceph-base ceph storage 8.1 2:19.2.1-423.el9cp
  • ceph-fuse ceph storage 8.1 2:19.2.1-423.el9cp

red hat advisories RHSA-2026:79101RHSA-2025:4664RHSA-2025:4238RHSA-2024:10956

  • ceph CBL-Mariner 2.0 16.2.10-9
  • ceph Azure Linux 3.0 18.2.2-10

azure linux advisories AZL-65996AZL-66005

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-48916 updated cvss 9.1

ceph: rhceph-container: Authentication bypass in CEPH RadosGW

  • Red Hat Ceph Storage 4 ceph, librbd1, librgw2, rbd-nbd, ceph-mds, ceph-mgr, +28 more Red Hat Ceph Storage 5 ceph, cephadm, librbd1, librgw2, rbd-nbd, ceph-mds, +34 more
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Ceph Storage 6.1 Tools liboath 2.6.12-1.el8cp, liboath 2.6.12-1.el9cp, oath-toolkit 2.6.12-1.el8cp, oath-toolkit 2.6.12-1.el9cp
    fixed: vendor fix RHSA-2025:4238
  • Red Hat Ceph Storage 7.1 Tools liboath 2.6.12-1.el8cp, liboath 2.6.12-1.el9cp, oath-toolkit 2.6.12-1.el8cp, oath-toolkit 2.6.12-1.el9cp
    fixed: vendor fix RHSA-2025:4664
  • Red Hat Ceph Storage 8.0 Tools ceph 19.2.0-55.el9cp, cephadm 19.2.0-55.el9cp, librbd1 19.2.0-55.el9cp, librgw2 19.2.0-55.el9cp, rbd-nbd 19.2.0-55.el9cp, ceph-mib 19.2.0-55.el9cp, +28 more
    fixed: vendor fix RHSA-2024:10956
  • Red Hat Ceph Storage 8.1 rhceph/rhceph-8-rhel9 1791176990
    fixed: vendor fix RHSA-2026:79243
  • Red Hat Ceph Storage 8.1 Tools ceph 19.2.1-423.el9cp, cephadm 19.2.1-423.el9cp, librbd1 19.2.1-423.el9cp, librgw2 19.2.1-423.el9cp, rbd-nbd 19.2.1-423.el9cp, ceph-mib 19.2.1-423.el9cp, +17 more
    fixed: vendor fix RHSA-2026:79101
  • Red Hat Ceph Storage 9.2 rhceph/rhceph-9-rhel10 1790843527
    fixed: vendor fix RHSA-2026:86618
  • Red Hat Ceph Storage 6.1 Tools ceph 17.2.6-277.el8cp, ceph 17.2.6-277.el9cp, cephadm 17.2.6-277.el9cp, librbd1 17.2.6-277.el8cp, librbd1 17.2.6-277.el9cp, librgw2 17.2.6-277.el8cp, +37 more Red Hat Ceph Storage 7.1 Tools ceph 18.2.1-329.el8cp, ceph 18.2.1-329.el9cp, cephadm 18.2.1-329.el9cp, librbd1 18.2.1-329.el8cp, librbd1 18.2.1-329.el9cp, librgw2 18.2.1-329.el8cp, +37 more Red Hat Ceph Storage 8.0 Tools ceph-debuginfo 19.2.0-55.el9cp, ceph-debugsource 19.2.0-55.el9cp, librbd1-debuginfo 19.2.0-55.el9cp, librgw2-debuginfo 19.2.0-55.el9cp, rbd-nbd-debuginfo 19.2.0-55.el9cp, ceph-mds-debuginfo 19.2.0-55.el9cp, +25 more Red Hat Ceph Storage 8.1 rhceph/grafana-rhel9 1791176238, rhceph/keepalived-rhel9 1791175257, rhceph/oauth2-proxy-rhel9 1791176282, rhceph/snmp-notifier-rhel9 1791176336, rhceph/rhceph-haproxy-rhel9 1791176338, rhceph/rhceph-promtail-rhel9 1791176366 Red Hat Ceph Storage 9.2 rhceph/alloy-rhel10 1790774976, rhceph/grafana-rhel10 1790774121, rhceph/keepalived-rhel10 1790842990, rhceph/oauth2-proxy-rhel10 1790774021, rhceph/snmp-notifier-rhel10 1790773439, rhceph/rhceph-haproxy-rhel10 1790846345 Red Hat Enterprise Linux 8 librbd1, librados2, libcephfs2, libradosstriper1
    +2 more products
    Red Hat Enterprise Linux 9 librbd1, librados2 Red Hat Openshift Data Foundation 4 odf4/cephcsi-rhel9
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
15 mo ago

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
OSV 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
bitnami ceph
<20.2.1
20.2.1

Affected products

  • ceph ceph

Classification

Weakness
  • CWE-345 Insufficient Verification of Data Authenticity

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.