{"id":"CVE-2026-90713","summary":"vllm-project vLLM tiktoken vocab File mod.rs new denial of service","details":"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.","modified":"2026-09-17T03:31:10.516809461Z","published":"2026-09-14T12:00:10.990Z","database_specific":{"cna_assigner":"VulDB","cwe_ids":["CWE-404"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90713.json"},"references":[{"type":"WEB","url":"https://github.com/vllm-project/vllm/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90713.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90713"},{"type":"ADVISORY","url":"https://vuldb.com/cve/CVE-2026-90713"},{"type":"ADVISORY","url":"https://vuldb.com/submit/918762"},{"type":"ADVISORY","url":"https://vuldb.com/vuln/403267"},{"type":"REPORT","url":"https://github.com/vllm-project/vllm/issues/50954"},{"type":"REPORT","url":"https://vuldb.com/vuln/403267/cti"},{"type":"FIX","url":"https://github.com/vllm-project/vllm/pull/51135"},{"type":"EVIDENCE","url":"https://gist.github.com/Yunzez/4b08ec3568a8cbfb120062e2558382b8"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/vllm-project/vllm","events":[{"introduced":"67d96c29fba9b72cb4c4edbc26211c208a00ebdd"},{"last_affected":"98dff2a81d747d1dba01a47f939f48c3526d4206"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0.1"},{"last_affected":"0.1"},{"introduced":"0.2"},{"last_affected":"0.2"},{"introduced":"0.3"},{"last_affected":"0.3"},{"introduced":"0.4"},{"last_affected":"0.4"},{"introduced":"0.5"},{"last_affected":"0.5"},{"introduced":"0.6"},{"last_affected":"0.6"},{"introduced":"0.7"},{"last_affected":"0.7"},{"introduced":"0.8"},{"last_affected":"0.8"},{"introduced":"0.9"},{"last_affected":"0.9"},{"introduced":"0.10"},{"last_affected":"0.10"},{"introduced":"0.11"},{"last_affected":"0.11"},{"introduced":"0.12"},{"last_affected":"0.12"},{"introduced":"0.13"},{"last_affected":"0.13"},{"introduced":"0.14"},{"last_affected":"0.14"},{"introduced":"0.15"},{"last_affected":"0.15"},{"introduced":"0.16"},{"last_affected":"0.16"},{"introduced":"0.17"},{"last_affected":"0.17"},{"introduced":"0.18"},{"last_affected":"0.18"},{"introduced":"0.19"},{"last_affected":"0.19"},{"introduced":"0.20"},{"last_affected":"0.20"},{"introduced":"0.21"},{"last_affected":"0.21"},{"introduced":"0.22"},{"last_affected":"0.22"},{"introduced":"0.23"},{"last_affected":"0.23"},{"introduced":"0.24"},{"last_affected":"0.24"},{"introduced":"0.25"},{"last_affected":"0.25"},{"introduced":"0.26"},{"last_affected":"0.26"},{"introduced":"0.27"},{"last_affected":"0.27"},{"introduced":"0.28"},{"last_affected":"0.28"},{"introduced":"0.29.0"},{"last_affected":"0.29.0"}]}}],"versions":["0.1","0.10","0.11","0.12","0.13","0.14","0.15","0.16","0.17","0.18","0.19","0.2","0.20","0.21","0.22","0.23","0.24","0.25","0.26","0.27","0.28","0.29.0","0.3","0.4","0.5","0.6","0.7","0.8","0.9","v0.29.0","v0.29.0rc6","v0.29.0rc5","v0.29.0rc4","v0.29.0rc3","v0.29.0rc2","v0.29.0rc1","v0.28.1rc0","v0.27.2rc0","v0.26.1rc0","v0.25.0","v0.23.1rc0","v0.22.1rc0","v0.21.1rc0","v0.20.2rc0","v0.20.1rc0","v0.19.2rc0","v0.19.1rc0","v0.18.2rc0","v0.18.1rc0","v0.17.2rc0","v0.18.0rc0","v0.17.1rc0","v0.17.0rc0","v0.16.0rc1","v0.15.2rc0","v0.16.0rc0","v0.15.0rc1","v0.14.0rc1","v0.14.0rc0","v0.13.0rc1","v0.11.1","v0.11.1rc6","v0.11.1rc5","v0.11.1rc4","v0.11.1rc3","v0.11.1rc2","v0.11.1rc1","v0.11.1rc0","v0.11.0rc1","v0.10.2rc2","v0.10.2rc1","v0.10.1rc1","v0.10.0rc2","v0.10.0","v0.10.0rc1","v0.9.2rc1","v0.9.1rc2","v0.9.1","v0.9.1rc1","v0.9.0","v0.8.4","v0.8.3rc1","v0.8.2","v0.8.1","v0.8.0rc2","v0.8.0rc1","v0.7.3","v0.7.2","v0.7.1","v0.7.0","v0.6.6.post1","v0.6.6","v0.6.5","v0.6.4.post1","v0.6.4","v0.6.3.post1","v0.6.3","v0.6.2","v0.6.1.post2","v0.6.1.post1","v0.6.1","v0.6.0","v0.5.5","v0.5.4","v0.5.3.post1","v0.5.3","v0.5.2","v0.5.1","v0.5.0.post1","v0.5.0","v0.4.3","v0.4.2","v0.4.1","v0.4.0.post1","v0.4.0","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.7","v0.2.6","v0.2.5","v0.2.4","v0.2.3","v0.2.2","v0.2.1","v0.2.0","v0.1.7","v0.1.6","v0.1.5","v0.1.4","v0.1.3","v0.1.2","v0.1.1","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90713.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}