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Dell Patches Critical CSM Flaws Allowing Unauthenticated Access

Dell Patches Critical CSM Flaws Allowing Unauthenticated Access

First seen 4 Oct 2026, 04:08 UTC • •
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ThreatCluster AI
ThreatCluster •October 4, 2026 at 06:06 UTC

Dell has issued security updates for six critical vulnerabilities in its Container Storage Modules (CSM) that could enable unauthenticated attackers to gain administrative access to storage backends and root control over Kubernetes clusters. The vulnerabilities, tracked as CVE-2026-63688 and CVE-2026-63692, both carry a maximum CVSS score of 10.0, allowing attackers to bypass authentication and access sensitive credentials. Additional vulnerabilities, CVE-2026-67269, CVE-2026-54472, CVE-2026-61421, and CVE-2026-67273, also pose significant risks, with CVSS scores ranging from 9.6 to 9.9. All versions prior to 1.17.0 are affected, and Dell recommends immediate upgrades to version 1.18.0 or later. Although Dell has not confirmed active exploitation, the potential impact on storage services and Kubernetes clusters is significant. Administrators are urged to rotate JWT signing secrets as part of the remediation process.

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Timeline

2021-05-04
CVE-2021-21551 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-02-17
CVE-2026-22769 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-10-01
Dell publishes security advisory
Dell disclosed multiple critical vulnerabilities in CSM, advising immediate updates to version 1.18.0.
Linkedin
2026-10-02
Patches released for CSM vulnerabilities
Dell released security updates addressing six critical vulnerabilities affecting its CSM software.
Bleepingcomputer
2026-10-03
Media coverage of vulnerabilities
Multiple outlets report on the critical vulnerabilities and the need for immediate remediation by CSM users.
News.Lavx.Hu

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Common questions

Which versions of CSM are affected?
All versions prior to 1.17.0 are affected by the vulnerabilities.
What should I do to mitigate these vulnerabilities?
Upgrade to CSM version 1.18.0 or later and rotate any JWT signing secrets.
Is there evidence of active exploitation?
No, Dell has not confirmed any active exploitation of these vulnerabilities.