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CVE-2026-58658— GPUStack Unauthenticated Information Disclosure via Worker Endpoints

Quick assessment

Affected
gpustack gpustack
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GPUStack GPUStack是GPUStack团队的一个管理GPU资源的服务器软件。 GPUStack 2.2.1及之前版本存在授权问题漏洞，该漏洞源于未受保护的/serveLogs和/debug端点，可能导致未经身份验证的攻击者访问敏感推理日志、修改worker配置、枚举模型实例ID以流式传输包含提示和完成的日志、更改日志级别及读取内存剖析数据。

CVSS 8.2 · High EPSS 0.53% · P44

Affected Version Matrix 2

VendorProduct Version RangeStatus
gpustack gpustack ≤ 2.2.1 affected
4e20551b5aaf76f93a8769d32b7fef999e22a4d3 unaffected
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I. Basic Information for CVE-2026-58658

Vulnerability Information
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Vulnerability Title
GPUStack Unauthenticated Information Disclosure via Worker Endpoints
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
GPUStack 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GPUStack GPUStack是GPUStack团队的一个管理GPU资源的服务器软件。 GPUStack 2.2.1及之前版本存在授权问题漏洞，该漏洞源于未受保护的/serveLogs和/debug端点，可能导致未经身份验证的攻击者访问敏感推理日志、修改worker配置、枚举模型实例ID以流式传输包含提示和完成的日志、更改日志级别及读取内存剖析数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
gpustack gpustack 0 ~ 2.2.1 -

II. Public POCs for CVE-2026-58658

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7823 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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POC zip download
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III. Intelligence Information for CVE-2026-58658

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Patches & Fixes for CVE-2026-58658 (1)

Vendor Advisories for CVE-2026-58658 (1)

Proof of Concept for CVE-2026-58658 (1)

IV. Related Vulnerabilities

Same weakness: CWE-306

V. Comments for CVE-2026-58658

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