Vulnerability Intelligence Report
GPUStack Unauthenticated Information Disclosure via Worker Endpoints
CVE-2026-58658
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.
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
EPSS Probability:0.53%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-306 ↗Missing Authentication for Critical Function
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| gpustack | gpustack | 0 <= 2.2.1 (affected), 4e20551b5aaf76f93a8769d32b7fef999e22a4d3 (unaffected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.535%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulnCheck · Bug Bounty Provider · USA |
| Reserved | 2026-07-01T21:54:37 |
| Published | 2026-07-15T17:00:30 |
| Patch Date | 2026-07-10 |
| Last Updated | 2026-11-08T14:07:13 |
Community Chatter & Buzz