CVE-2026-58658 GPUStack Unauthenticated Information Disclosure via Worker Endpoints
Unauthenticated attackers can access sensitive inference logs and modify worker configurations via unprotected endpoints in GPUStack.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-58658?
CVE-2026-58658 is a high-severity missing authorization vulnerability in gpustack, published on 15 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-306
Which versions are affected by CVE-2026-58658?
How do I fix CVE-2026-58658?
No fix has been published for CVE-2026-58658 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-58658 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-58658 exists.
Sources
Also known as GHSA-26wv-hf3j-hjjh.