Description
A security flaw has been discovered in vllm-project vLLM up to 0.29.0. The affected element is the function TiktokenTokenizer::new of the file rust/src/text/src/backend/hf/mod.rs of the component tiktoken vocab File Handler. The manipulation results in denial of service. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.
Metrics
CVSS 3.1 3.3/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| vllm-project | vLLM | 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 0.10; 0.11; 0.12; 0.13; 0.14; 0.15; 0.16; 0.17; 0.18; 0.19; 0.20 |
References
- https://gist.github.com/Yunzez/4b08ec3568a8cbfb120062e2558382b8
- https://github.com/vllm-project/vllm/
- https://github.com/vllm-project/vllm/issues/50954
- https://github.com/vllm-project/vllm/pull/51135
- https://vuldb.com/cve/CVE-2026-90713
- https://vuldb.com/submit/918762
- https://vuldb.com/vuln/403267
- https://vuldb.com/vuln/403267/cti
Timeline
- Published
- Sep 14, 2026
- Last modified
- Sep 15, 2026
- NVD status
- Deferred