CVE Alert: CVE-2025-48943
Vulnerability Summary: CVE-2025-48943
vLLM is an inference and serving engine for large language models (LLMs). Version 0.8.0 up to but excluding 0.9.0 have a Denial of Service (ReDoS) that causes the vLLM server to crash if an invalid regex was provided while using structured output. This vulnerability is similar to GHSA-6qc9-v4r8-22xg/CVE-2025-48942, but for regex instead of a JSON schema. Version 0.9.0 fixes the issue.
Affected Endpoints:
No affected endpoints listed.
Published Date:
5/30/2025, 7:15:30 PM
⚠️ CVSS Score:
Exploit Status:
Not ExploitedReferences:
- https://github.com/vllm-project/vllm/commit/08bf7840780980c7568c573c70a6a8db94fd45ff
- https://github.com/vllm-project/vllm/issues/17313
- https://github.com/vllm-project/vllm/pull/17623
- https://github.com/vllm-project/vllm/security/advisories/GHSA-9hcf-v7m4-6m2j
Recommended Action:
No proposed action available. Please refer to vendor documentation for updates.
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