CVE-2026-103002
Dashboard / Vulnerabilities / CVE-2026-103002
Summary: GPUStack: Missing authorization on several cluster and resource endpoints allows cross-user access and cluster takeover
Details: GPUStack is an open-source GPU cluster manager for AI model serving and GPU instance provisioning. From 2.2.0 until 2.2.2, cluster_apiserver_proxy forwarded an authenticated non-administrator's requests to a selected Kubernetes cluster without a resource-level authorization check. The proxy used a reachable worker's Kubernetes ServiceAccount credentials, so the caller could read sensitive resources, create or modify workloads, or delete resources according to that ServiceAccount's permissions. Exploitation required a Kubernetes-provider cluster with a reachable worker, and attacker-controlled workloads could result in code execution in the target cluster. This issue is fixed in version 2.2.2.
References: https://github.com/gpustack/gpustack/releases/tag/v2.2.2, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103002.json, https://github.com/gpustack/gpustack/security/advisories/GHSA-3hch-x692-6qj3, https://nvd.nist.gov/vuln/detail/CVE-2026-103002, https://github.com/gpustack/gpustack/commit/363191fa1da7e1426c6041f78b3cf00aff2622fe, https://github.com/gpustack/gpustack/commit/cdd67467e0f314609dc82216e142940d321abfed, https://github.com/gpustack/gpustack/pull/5911, https://github.com/gpustack/gpustack/pull/5936
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