CVE-2026-116174
Medium · 5.9CVSS
5.9
EPSS
0.3%
Published
Oct 25, 2026
CISA due date
—
The record
vLLM from 0.22.0 before 0.24.0 contains an improper input validation vulnerability in the Rust gRPC Generate and GenerateStream service that forwards unchecked prompt token IDs to EngineCore. Attackers can submit requests with out-of-vocabulary prompt.token_ids values to trigger a fatal embedding lookup failure that terminates EngineCore and leaves the server unhealthy.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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