CVE-2026-76105 in Container Storage Modules
Summary
by MITRE • 10/06/2026
Dell Container Storage Modules, versions prior to 1.18.0 contain(s) an Use of Insufficiently Random Values vulnerability. An unauthenticated attacker with local access could potentially exploit this vulnerability, leading to Information tampering.
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Analysis
by VulDB Data Team • 10/06/2026
The Dell Container Storage Modules (CSM), specifically in versions preceding the release of version 1.18.0, are affected by a critical security flaw classified as an Use of Insufficiently Random Values vulnerability. This type of weakness typically arises when cryptographic algorithms or session management mechanisms rely on random number generators that lack sufficient entropy or unpredictability. In the context of container orchestration and storage systems like Dell CSM, such randomness is often essential for generating secure tokens, keys, identifiers, or nonces used during authentication processes, data encryption, or inter-service communication. The absence of cryptographically strong pseudo-randomness creates a predictable pattern that can be analyzed and exploited by malicious actors who have gained local access to the system environment where these modules are deployed.
An unauthenticated attacker with local access represents a significant threat vector in this scenario because it implies that the vulnerability does not require remote network exploitation or complex privilege escalation from an external position, but rather physical or logical proximity within the host operating system. Once inside the local context, such as through a compromised container runtime, a malicious user account on the node, or via other lateral movement techniques, the attacker can interact with the Dell CSM components. By leveraging the insufficiently random values, the attacker may be able to predict session tokens, manipulate storage volume identifiers, or forge authentication credentials. This capability directly facilitates information tampering, allowing the adversary to alter data integrity without detection by standard security controls that assume these generated values are unique and unpredictable.
The operational impact of this vulnerability is severe due to its potential to undermine the core trust model of containerized environments. Dell CSM serves as a bridge between Kubernetes orchestration layers and underlying storage infrastructure, managing persistent volumes and ensuring data consistency across distributed systems. If an attacker can tamper with information by exploiting weak randomness, they may corrupt stored data, disrupt service availability by invalidating legitimate sessions, or escalate privileges to gain control over critical storage operations. This could lead to unauthorized modification of application state, loss of data integrity for enterprise workloads, and potential compliance violations related to data protection standards such as GDPR or HIPAA, depending on the nature of the processed information.
From a classification perspective, this vulnerability aligns with CWE-330: Use of Insufficiently Random Values, which highlights failures in generating random numbers that are sufficiently unpredictable for security purposes. In terms of offensive cybersecurity frameworks like MITRE ATT&CK, this flaw supports techniques associated with Credential Access and Defense Evasion, particularly those involving the prediction or manipulation of session tokens and authentication mechanisms. The local access requirement places it within the scope of attacks originating from compromised nodes, emphasizing the importance of strict host-level security controls alongside application-layer protections.
To mitigate this risk, organizations running Dell Container Storage Modules must prioritize immediate upgrading to version 1.18.0 or later, where the underlying random number generation mechanisms have been strengthened to meet cryptographic standards. Until an upgrade is feasible, administrators should implement rigorous access control policies on all nodes hosting CSM components, ensuring that only authorized service accounts and users with minimal necessary privileges can interact with these modules. Additionally, deploying runtime security solutions capable of detecting anomalous behavior in container processes may help identify exploitation attempts based on unusual patterns of token generation or session manipulation. Regular auditing of system logs for signs of unauthorized local access is also recommended to maintain visibility into potential compromise vectors associated with this vulnerability.