{"api_version":"1","generated_at":"2026-10-08T01:51:21+00:00","cve":"CVE-2026-105922","urls":{"html":"https://cve.report/CVE-2026-105922","api":"https://cve.report/api/cve/CVE-2026-105922.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-105922","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-105922"},"summary":{"title":"vllm-project vLLM Penalty utils.py get_token_bin_counts_and_mask denial of service","description":"A security flaw has been discovered in vllm-project vLLM up to 0.31.0. This impacts the function get_token_bin_counts_and_mask of the file vllm/model_executor/layers/utils.py of the component Penalty Handler. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.","state":"PUBLISHED","assigner":"VulDB","published_at":"2026-10-06 15:17:17","updated_at":"2026-10-06 18:16:50"},"problem_types":["CWE-404","CWE-404 Denial of Service"],"metrics":[{"version":"4.0","source":"cna@vuldb.com","type":"Secondary","score":"2.1","severity":"LOW","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","data":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":2.1,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}},{"version":"4.0","source":"CNA","type":"DECLARED","score":"5.3","severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","data":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"}},{"version":"3.1","source":"cna@vuldb.com","type":"Secondary","score":"4.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"4.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C","data":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C","version":"3.1"}},{"version":"3.0","source":"CNA","type":"DECLARED","score":"4.3","severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C","data":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C","version":"3.0"}},{"version":"2.0","source":"cna@vuldb.com","type":"Secondary","score":"4","severity":"","vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P","baseScore":4,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"}},{"version":"2.0","source":"CNA","type":"DECLARED","score":"4","severity":"","vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:C","data":{"baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:C","version":"2.0"}}],"references":[{"url":"https://vuldb.com/vuln/413896/cti","name":"https://vuldb.com/vuln/413896/cti","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/vuln/413896","name":"https://vuldb.com/vuln/413896","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/submit/992707","name":"https://vuldb.com/submit/992707","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/vllm-project/vllm/issues/57719","name":"https://github.com/vllm-project/vllm/issues/57719","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/cve/CVE-2026-105922","name":"https://vuldb.com/cve/CVE-2026-105922","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://gist.github.com/Yunzez/5c70a3bb328eaf6d646b9d31e879dc4a#file-repro_prompt_embeds_penalties_engine_crash-py","name":"https://gist.github.com/Yunzez/5c70a3bb328eaf6d646b9d31e879dc4a#file-repro_prompt_embeds_penalties_engine_crash-py","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/vllm-project/vllm/","name":"https://github.com/vllm-project/vllm/","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-105922","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105922","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.1","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.2","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.3","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.4","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.5","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.6","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.7","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.8","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.9","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.10","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.11","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.12","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.13","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.14","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.15","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.16","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.17","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.18","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.19","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.20","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.21","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.22","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.23","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.24","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.25","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.26","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.27","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.28","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.29","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.30","platforms":[]},{"source":"CNA","vendor":"vllm-project","product":"vLLM","version":"affected 0.31.0","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-10-06T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"source":"CNA","time":"2026-10-06T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"source":"CNA","time":"2026-10-06T07:57:22.000Z","lang":"en","value":"VulDB entry last update"}],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Zyz3366 (VulDB User)","lang":"en"},{"source":"CNA","value":"VulDB CNA Team","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-105922","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-10-06T17:05:54.753920Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-10-06T17:39:56.919Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"cpes":["cpe:2.3:a:vllm-project:vllm:*:*:*:*:*:*:*:*"],"modules":["Penalty Handler"],"product":"vLLM","vendor":"vllm-project","versions":[{"status":"affected","version":"0.1"},{"status":"affected","version":"0.2"},{"status":"affected","version":"0.3"},{"status":"affected","version":"0.4"},{"status":"affected","version":"0.5"},{"status":"affected","version":"0.6"},{"status":"affected","version":"0.7"},{"status":"affected","version":"0.8"},{"status":"affected","version":"0.9"},{"status":"affected","version":"0.10"},{"status":"affected","version":"0.11"},{"status":"affected","version":"0.12"},{"status":"affected","version":"0.13"},{"status":"affected","version":"0.14"},{"status":"affected","version":"0.15"},{"status":"affected","version":"0.16"},{"status":"affected","version":"0.17"},{"status":"affected","version":"0.18"},{"status":"affected","version":"0.19"},{"status":"affected","version":"0.20"},{"status":"affected","version":"0.21"},{"status":"affected","version":"0.22"},{"status":"affected","version":"0.23"},{"status":"affected","version":"0.24"},{"status":"affected","version":"0.25"},{"status":"affected","version":"0.26"},{"status":"affected","version":"0.27"},{"status":"affected","version":"0.28"},{"status":"affected","version":"0.29"},{"status":"affected","version":"0.30"},{"status":"affected","version":"0.31.0"}]}],"credits":[{"lang":"en","type":"reporter","value":"Zyz3366 (VulDB User)"},{"lang":"en","type":"coordinator","value":"VulDB CNA Team"}],"descriptions":[{"lang":"en","value":"A security flaw has been discovered in vllm-project vLLM up to 0.31.0. This impacts the function get_token_bin_counts_and_mask of the file vllm/model_executor/layers/utils.py of the component Penalty Handler. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet."}],"metrics":[{"cvssV4_0":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"}},{"cvssV3_1":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C","version":"3.1"}},{"cvssV3_0":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C","version":"3.0"}},{"cvssV2_0":{"baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:C","version":"2.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-404","description":"Denial of Service","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-06T14:45:15.075Z","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB"},"references":[{"name":"VDB-413896 | vllm-project vLLM Penalty utils.py get_token_bin_counts_and_mask denial of service","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/413896"},{"name":"VDB-413896 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/413896/cti"},{"name":"CVE-2026-105922 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-105922"},{"name":"Submit #992707 | vLLM Project vLLM 0.27.1 Denial of Service","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/992707"},{"tags":["issue-tracking"],"url":"https://github.com/vllm-project/vllm/issues/57719"},{"tags":["exploit"],"url":"https://gist.github.com/Yunzez/5c70a3bb328eaf6d646b9d31e879dc4a#file-repro_prompt_embeds_penalties_engine_crash-py"},{"tags":["product"],"url":"https://github.com/vllm-project/vllm/"}],"timeline":[{"lang":"en","time":"2026-10-06T00:00:00.000Z","value":"Advisory disclosed"},{"lang":"en","time":"2026-10-06T02:00:00.000Z","value":"VulDB entry created"},{"lang":"en","time":"2026-10-06T07:57:22.000Z","value":"VulDB entry last update"}],"title":"vllm-project vLLM Penalty utils.py get_token_bin_counts_and_mask denial of service","x_generator":["VulDB PVTS v202610"]}},"cveMetadata":{"assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","assignerShortName":"VulDB","cveId":"CVE-2026-105922","datePublished":"2026-10-06T14:45:15.075Z","dateReserved":"2026-10-06T05:52:18.134Z","dateUpdated":"2026-10-06T17:39:56.919Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-06 15:17:17","lastModifiedDate":"2026-10-06 18:16:50","problem_types":["CWE-404","CWE-404 Denial of Service"],"metrics":{"cvssMetricV40":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":2.1,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":2.8,"impactScore":1.4}],"cvssMetricV2":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P","baseScore":4,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-06T17:05:54.753920Z","id":"CVE-2026-105922","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"105922","Ordinal":"1","Title":"vllm-project vLLM Penalty utils.py get_token_bin_counts_and_mask","CVE":"CVE-2026-105922","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"105922","Ordinal":"1","NoteData":"A security flaw has been discovered in vllm-project vLLM up to 0.31.0. This impacts the function get_token_bin_counts_and_mask of the file vllm/model_executor/layers/utils.py of the component Penalty Handler. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.","Type":"Description","Title":"vllm-project vLLM Penalty utils.py get_token_bin_counts_and_mask"}]}}}