Vllm: a completions api request with an empty prompt will crash the vllm api server.
Priority HIGH 72CWE-617Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-617.
Summary
A flaw was found in the vLLM library. A completions API request with an empty prompt will crash the vLLM API server, resulting in a denial of service.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00682 52nd percentileScored 2026-11-07
Fix Partial vllm: 0.5.5vllm (PyPI): 0.5.5Red Hat: 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | vllm | before 0.5.5 | 0.5.5 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) | — | — | No fix listed | CNA |
| — | vllm (PyPI) | before 0.5.5 | 0.5.5 | Patch available | GHSA-w2r7-9579-27hf |
- vllm Vendor— Affected before 0.5.5 Fixed in 0.5.5 Patch available CNA
- Red Hat Enterprise Linux AI (RHEL AI) VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux AI (RHEL AI) VendorRed Hat Affected — Fixed in — No fix listed CNA
- vllm (PyPI) Vendor— Affected before 0.5.5 Fixed in 0.5.5 Patch available GHSA-w2r7-9579-27hf
Remediation
- Fix · CNA vllm Fixed in 0.5.5
- Fix · GHSA-w2r7-9579-27hf vllm (PyPI) Fixed in 0.5.5 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AI (RHEL AI) | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2024-8768
- 2026-10-03 Alias added: GHSA-w2r7-9579-27hf
References
More Red Hat vulnerabilities
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Sources
- CVE-2024-8768 · CVE Program
- CVE-2024-8768 · NVD
- FIRST EPSS
- GHSA-w2r7-9579-27hf · GitHub Advisory Database · CC BY 4.0
- CVE-2024-8768 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences