CVE-2026-116172EUVD-2026-109433GHSA-2HVF-QPRP-XR9WGHSA-RWFW-XVG3-3937
vLLM 0.22.0 before 0.24.0 DoS via Rust gRPC CandidateTokens.top_n
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 0.24.0
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
vLLM from 0.22.0 before 0.24.0 contains an improper input validation vulnerability in the Rust gRPC converter that allows remote attackers to bypass max_logprobs limits via CandidateTokens.top_n. Attackers can send Generate or GenerateStream requests with oversized or integer-wrapping top_n values to trigger torch.topk failures that terminate EngineCore.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- vllm-project vllm
From 0.22.0 · fixed in 0.24.0