CVE-2026-58658
Unauthenticated access to GPUStack worker logs and config via exposed endpoints.
Is CVE-2026-58658 being exploited?
Not confirmed. CVE-2026-58658 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.53% probability of exploitation in the next 30 days.
How severe is CVE-2026-58658?
CVE-2026-58658 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-58658?
Yes. A fix has been recorded for CVE-2026-58658. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-58658 affect?
CVE-2026-58658 affects GPUStack <= 2.2.1, GPUStack worker service (worker port), AI inference clusters using GPUStack. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-58658?
Apply fix (commit 4e20551) or upgrade; restrict worker port and require authentication.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attackers can stream inference prompts/completions, read memory profiling, and change worker log/config, exposing sensitive data and disrupting inference.
Immediate action required
- affected<= 2.2.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.