All vulnerabilities

Servers and applications

CVE-2025-48887

vLLM, an inference and serving engine for large language models (LLMs), has a Regular Expression Denial of Service (ReDoS) vulnerability in the file `vllm/entrypoints/openai/tool_parsers/pythonic_tool_parser.py` of versions 0.6.4 up to but excluding 0.9.0. The root cause is the use of a highly complex and nested regular expression for tool call detection, which can be exploited by an attacker to…

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 0.6.4 before 0.9.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-48887
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-48887