CVE-2026-58658

High

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.

SeverityHigh

CVSS8.2

Exploit probability—

ProductGpustack

PublishedJul 15, 2026

First seenJul 15, 2026

Weakness typeCWE-306Missing authentication for critical function

How to fix

Patches

github.com/gpustack/gpustack/commit/4e20551b5aaf76f93a8769d32b7fef999e22a4d3

Affected products

Product	Affected versions	Fixed in
gpustack gpustack	v ≤ 2.2.1	—

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