CVE-2026-58658
Severity CVSS v4.0:
HIGH
Type:
CWE-306
Missing Authentication for Critical Function
Publication date:
15/07/2026
Last modified:
15/07/2026
Description
GPUStack through 2.2.1, fixed in commit 4e20551, contains an unauthenticated information disclosure vulnerability that allows unauthenticated attackers to access sensitive inference logs and modify worker configuration by exploiting unprotected /serveLogs and /debug endpoints on the worker port. Attackers can enumerate model instance IDs to stream serving logs containing prompts and completions, change log levels, and read memory profiling data without any authentication.
Impact
Base Score 4.0
8.80
Severity 4.0
HIGH
Base Score 3.x
8.20
Severity 3.x
HIGH
References to Advisories, Solutions, and Tools
- https://github.com/gpustack/gpustack/commit/4e20551b5aaf76f93a8769d32b7fef999e22a4d3
- https://github.com/gpustack/gpustack/issues/5836
- https://github.com/gpustack/gpustack/issues/5836
- https://github.com/gpustack/gpustack/issues/5836
- https://github.com/gpustack/gpustack/issues/5836
- https://www.vulncheck.com/advisories/gpustack-unauthenticated-information-disclosure-via-worker-endpoints
- https://github.com/gpustack/gpustack/issues/5836



