# Ceph vulnerabilities

Source: https://junglewise.ai/threats/vendors/ceph  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/ceph.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Ceph: 0 in the last 7 days and 4 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-54330, was published on 28 August 2026. Nothing was published in the last eight weeks. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 4
- All time: 4 (1 critical, 0 exploited in the wild)

## About Ceph

Open-source distributed storage system providing unified object, block, and file storage.

## Latest Ceph vulnerabilities

- [CVE-2026-54330: Ceph Object Gateway SigV4 signature bypass via unsigned headers](https://junglewise.ai/threats/cve-2026-54330-ceph-object-gateway-sigv4-signature-bypass-via-unsigned-headers) (high, CVSS 8.1, published 28 Aug 2026)
- [CVE-2026-50152: Ceph authorization bypass in config-key store](https://junglewise.ai/threats/cve-2026-50152-ceph-authorization-bypass-in-config-key-store) (critical, CVSS 9.1, published 28 Aug 2026)
- [CVE-2026-39944: Ceph RADOS Gateway STS token forgery via unauthenticated CBC mode](https://junglewise.ai/threats/cve-2026-39944-ceph-rados-gateway-sts-token-forgery-via-unauthenticated-cbc-mode) (high, CVSS 8.8, published 28 Aug 2026)
- [CVE-2025-30156: Ceph CephX authentication credential forgery via unauthenticated encryption](https://junglewise.ai/threats/cve-2025-30156-ceph-cephx-authentication-credential-forgery-via-unauthenticated) (high, CVSS 8.9, published 28 Aug 2026)

## Most severe Ceph vulnerabilities

- [CVE-2026-50152: Ceph authorization bypass in config-key store](https://junglewise.ai/threats/cve-2026-50152-ceph-authorization-bypass-in-config-key-store) (critical, CVSS 9.1, published 28 Aug 2026)
- [CVE-2025-30156: Ceph CephX authentication credential forgery via unauthenticated encryption](https://junglewise.ai/threats/cve-2025-30156-ceph-cephx-authentication-credential-forgery-via-unauthenticated) (high, CVSS 8.9, published 28 Aug 2026)
- [CVE-2026-39944: Ceph RADOS Gateway STS token forgery via unauthenticated CBC mode](https://junglewise.ai/threats/cve-2026-39944-ceph-rados-gateway-sts-token-forgery-via-unauthenticated-cbc-mode) (high, CVSS 8.8, published 28 Aug 2026)
- [CVE-2026-54330: Ceph Object Gateway SigV4 signature bypass via unsigned headers](https://junglewise.ai/threats/cve-2026-54330-ceph-object-gateway-sigv4-signature-bypass-via-unsigned-headers) (high, CVSS 8.1, published 28 Aug 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 4 | 1 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Ceph technologies

- [Ceph](https://junglewise.ai/threats/technologies/ceph): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Ceph vulnerabilities", https://junglewise.ai/threats/vendors/ceph, 9 November 2026.