CVE-2024-48916: Ceph is vulnerable to authentication bypass through RadosGW
Vulnerability summary
CVE-2024-48916 is a high (CVSS 8.1) vulnerability in ceph. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.7% of scored vulnerabilities.
Not severe (CVSS 8.1, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4Timeline
- 30-07-2025PublishedVulnerability first disclosed.
- 30-07-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 5 sources · 1 version- OSV · Red hatEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- OSV · DebianEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- NVDNIST8.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
Increase +0.03 pp
From 0.19% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat59 products
- ceph< 2:19.2.0-55.el9cp
- ceph-base< 2:19.2.0-55.el9cp
- ceph-base-debuginfo< 2:19.2.0-55.el9cp
- ceph-common< 2:19.2.0-55.el9cp
- ceph-common-debuginfo< 2:19.2.0-55.el9cp
Ceph1 product
- ceph≤ 19.2.3
Debian1 product
- ceph< 16.2.15+ds-0+deb12u1 | < 18.2.4+ds-11
Mageia1 product
- ceph< 18.1.1-1.1.mga9
Ubuntu1 product
- ceph< 17.2.7-0ubuntu0.22.04.2 | < 19.2.0-0ubuntu0.24.04.2
5 vendors · 63 products
