vllm-project vLLM tiktoken vocab File mod.rs new denial of service
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 4.8epss 0.2%
exploitation probability
0.2%top 95% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
vllm-project · vLLMpublic PoCs found — 1
cve_referencegist.github.com/Yunzez/4b08ec3568a8cbfb120062e2558382b8unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://gist.github.com/Yunzez/4b08ec3568a8cbfb120062e2558382b8https://github.com/vllm-project/vllm/https://github.com/vllm-project/vllm/issues/50954https://github.com/vllm-project/vllm/pull/51135https://vuldb.com/cve/CVE-2026-90713https://vuldb.com/submit/918762https://vuldb.com/vuln/403267https://vuldb.com/vuln/403267/cti