Vulnerability details
CVE-2026-93592
vllm-project vLLM
vLLM before 0.28.0 Denial of Service via negative token ID
CVSS 4.0
8.7High
Official description
vLLM versions before 0.28.0 fail to validate the lower bound of token IDs in the /v1/embeddings and /pooling endpoints, allowing unauthenticated attackers to crash the engine by submitting negative token IDs. A single request with a negative token ID triggers a CUDA device-side assertion that poisons the GPU context, causing all subsequent requests to fail until the process restarts.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.7High | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| vllm-project | vLLM | v < 0.28.0 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-09-18
- Last updated
- 2026-09-18
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
0.54%
Probability of exploitation in 30 days
45.8%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-129Improper Validation of Array Index