vLLM: ReDoS via structured_outputs.regex compiled without timeout in xgrammar and outlines backends

Summary The structuredoutputs.regex API parameter passes a user-supplied regex string directly to grammar compiler backends with no compilation timeout. In the xgrammar backend, the string reaches compileregex with no guard. In the outlines backend, validateregexisbuildable blocks structural issu...

EUVD-2025-16191

Malicious code in bioql PyPI...

CVE-2025-48887 vLLM has a Regular Expression Denial of Service (ReDoS, Exponential Complexity) Vulnerability in `pythonic_tool_parser.py`

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/toolparsers/pythonictoolparser.py of versions 0.6.4 up to but excluding 0.9.0. The root cause is the use of a highly complex and...

CVE-2025-48887

CVE-2025-48887 affects vLLM command/tool parsing: the ReDoS vulnerability is in vllm/entrypoints/openai/tool_parsers/pythonic_tool_parser.py for versions 0.6.4 through 0.9.0 (exclusive) . The root cause is a highly complex, nested regex used for tool call detection, enabling catastrophic backtrac...