CVE-2026-105775 (GCVE-0-2026-105775)

Vulnerability from cvelistv5 – Published: 2026-10-06 05:45 – Updated: 2026-10-09 00:56
VLAI
Title
vllm-project vLLM Completions Request mamba_mixer2.py conv_ssm_forward out-of-bounds
Summary
A security vulnerability has been detected in vllm-project vLLM up to 0.31.0. This impacts the function conv_ssm_forward of the file vllm/model_executor/layers/mamba/mamba_mixer2.py of the component Completions Request Handler. The manipulation leads to out-of-bounds read. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 00:56 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3808 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/413808 vdb-entrytechnical-description
https://vuldb.com/vuln/413808/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-105775 third-party-advisory
https://vuldb.com/submit/992291 third-party-advisory
https://github.com/vllm-project/vllm/issues/57266 exploitissue-tracking
https://github.com/vllm-project/vllm/ product
Impacted products
Vendor Product Version CPE status
vllm-project vLLM Affected: 0.1
Affected: 0.2
Affected: 0.3
Affected: 0.4
Affected: 0.5
Affected: 0.6
Affected: 0.7
Affected: 0.8
Affected: 0.9
Affected: 0.10
Affected: 0.11
Affected: 0.12
Affected: 0.13
Affected: 0.14
Affected: 0.15
Affected: 0.16
Affected: 0.17
Affected: 0.18
Affected: 0.19
Affected: 0.20
Affected: 0.21
Affected: 0.22
Affected: 0.23
Affected: 0.24
Affected: 0.25
Affected: 0.26
Affected: 0.27
Affected: 0.28
Affected: 0.29
Affected: 0.30
Affected: 0.31.0
    cpe:2.3:a:vllm-project:vllm:*:*:*:*:*:*:*:*
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Show details on NVD website

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                  "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 vulnerability has been detected in vllm-project vLLM up to 0.31.0. This impacts the function conv_ssm_forward of the file vllm/model_executor/layers/mamba/mamba_mixer2.py of the component Completions Request Handler. The manipulation leads to out-of-bounds read. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. 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-125",
                  "description": "Out-of-Bounds Read",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            },
            {
              "descriptions": [
                {
                  "cweId": "CWE-119",
                  "description": "Memory Corruption",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-10-06T05:45:11.082Z",
            "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
            "shortName": "VulDB"
          },
          "references": [
            {
              "name": "VDB-413808 | vllm-project vLLM Completions Request mamba_mixer2.py conv_ssm_forward out-of-bounds",
              "tags": [
                "vdb-entry",
                "technical-description"
              ],
              "url": "https://vuldb.com/vuln/413808"
            },
            {
              "name": "VDB-413808 | CTI Indicators (IOB, IOC, IOA)",
              "tags": [
                "signature",
                "permissions-required"
              ],
              "url": "https://vuldb.com/vuln/413808/cti"
            },
            {
              "name": "CVE-2026-105775 | CVE Analysis and Report",
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://vuldb.com/cve/CVE-2026-105775"
            },
            {
              "name": "Submit #992291 | vllm-project vLLM v0.27.1 Denial of Service",
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://vuldb.com/submit/992291"
            },
            {
              "tags": [
                "exploit",
                "issue-tracking"
              ],
              "url": "https://github.com/vllm-project/vllm/issues/57266"
            },
            {
              "tags": [
                "product"
              ],
              "url": "https://github.com/vllm-project/vllm/"
            }
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2026-10-05T00:00:00.000Z",
              "value": "Advisory disclosed"
            },
            {
              "lang": "en",
              "time": "2026-10-05T02:00:00.000Z",
              "value": "VulDB entry created"
            },
            {
              "lang": "en",
              "time": "2026-10-05T22:31:57.000Z",
              "value": "VulDB entry last update"
            }
          ],
          "title": "vllm-project vLLM Completions Request mamba_mixer2.py conv_ssm_forward out-of-bounds",
          "x_generator": [
            "VulDB PVTS v202610"
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "assignerShortName": "VulDB",
        "cveId": "CVE-2026-105775",
        "datePublished": "2026-10-06T05:45:11.082Z",
        "dateReserved": "2026-10-05T20:26:34.831Z",
        "dateUpdated": "2026-10-09T00:56:33.429Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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