CVE-2026-103002
GPUStack: Missing authorization on several cluster and resource endpoints allows cross-user access and cluster takeover
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| gpustack gpustack |
>= 2.2.0, < 2.2.2 (affected) | CNA: GitHub_M |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 8.8 high |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CNA: GitHub_M |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/gpustack/gpustack/security/advisories/GHSA-3hch-x692-6qj3CNA: GitHub_M · x_refsource_CONFIRM
- https://github.com/gpustack/gpustack/pull/5911CNA: GitHub_M · x_refsource_MISC
- https://github.com/gpustack/gpustack/pull/5936CNA: GitHub_M · x_refsource_MISC
- https://github.com/gpustack/gpustack/commit/363191fa1da7e1426c6041f78b3cf00aff2622feCNA: GitHub_M · x_refsource_MISC
- https://github.com/gpustack/gpustack/commit/cdd67467e0f314609dc82216e142940d321abfedCNA: GitHub_M · x_refsource_MISC
- https://github.com/gpustack/gpustack/releases/tag/v2.2.2CNA: GitHub_M · x_refsource_MISC
For agents and automation
Read public disclosures for free as Markdown or JSON. Compatible browsers also expose native WebMCP tools to search disclosures, read this page, and discover API access.
Use the ontology-linked Cyber API with x402 pay per request, or a Y2 Pro or Elite API key with the intel:cyber scope.
Endpoints and access details
https://api.y2.dev/api/v2/cyber/cveshttps://api.y2.dev/api/v2/cyber/cves/{cveId}
A workspace owner or admin can create a Pro or Elite API key. Send Authorization: Bearer <Y2_API_KEY> from your trusted agent runtime.
For x402, omit Authorization and read the HTTP 402 payment challenge before signing a retry. Public browser tools do not make payments.