All vulnerabilities

Servers and applications

CVE-2025-48944

vLLM is an inference and serving engine for large language models (LLMs). In version 0.8.0 up to but excluding 0.9.0, the vLLM backend used with the /v1/chat/completions OpenAPI endpoint fails to validate unexpected or malformed input in the "pattern" and "type" fields when the tools functionality is invoked. These inputs are not validated before being compiled or parsed, causing a crash of the…

Severity
Medium 6.5
Published
30 May 2025
Last changed
17 Jun 2026
Added to UpHeron
3 Nov 2026
Fixed in
0.9.0
Sources
NVD

Affected software

SoftwareAffected versions
vLLMServers and applications · cpe:a:vllm:vllm
  • From 0.8.0 before 0.9.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-48944
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-48944