Medium [CVE-2026-100647] Denial of Service via unbounded cache_salt parameter
This medium-severity Red Hat Linux advisory covers CVE-2026-100647; related products: Red Hat AI Inference Server, Red Hat Enterprise Linux AI (RHEL AI) 3, Red Hat OpenShift AI (RHOAI).
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Summary
Denial of Service via unbounded cache_salt parameter. Red Hat rates this moderate (CVSS 5.3).
Weakness: CWE-1322.
Affected products named by the advisory: Red Hat AI Inference Server; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI).
- < 0.29.0
Official advisory · high-confidence parse· fetched 8 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 8 days ago·verify at source
Mitigation checklist
- There is no vLLM env-var toggle that bounds cache_salt on vulnerable builds. Try to strip or deny cache_salt at the gateway or put Auth + rate limits on OpenAI/Anthropic-compatible endpoints.
Official advisory · high-confidence parse· fetched 8 days ago·verify at source
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