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CVE-2026-45829

Full vulnerability record from the local CVENow database.

Description

A pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an unauthenticated attacker to run arbitrary code on the server by sending a malicious model repository and trust_remote_code set to true in the /api/v2/tenants/{tenant}/databases/{db}/collections endpoint.

Severity
CRITICAL
CVSS score
10.0 (v4.0)
Vulnerability status
Awaiting Analysis
Source identifier
6f8de1f0-f67e-45a6-b68f-98777fdb759c
Published
2026-05-18 17:16:34.040000
Last modified
2026-10-26 13:10:00.140000
View original CVE JSON
{
  "id": "CVE-2026-45829",
  "sourceIdentifier": "6f8de1f0-f67e-45a6-b68f-98777fdb759c",
  "published": "2026-05-18T17:16:34.040",
  "lastModified": "2026-10-26T13:10:00.140",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an unauthenticated attacker to run arbitrary code on the server by sending a malicious model repository and trust_remote_code set to true in the /api/v2/tenants/{tenant}/databases/{db}/collections endpoint."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de inyección de código de preautenticación en la versión 1.0.0 o posterior del proyecto Python ChromaDB permite a un atacante no autenticado ejecutar código arbitrario en el servidor al enviar un repositorio de modelos malicioso y trust_remote_code establecido en true en el endpoint /api/v2/tenants/{tenant}/databases/{db}/collections."
    }
  ],
  "affected": [
    {
      "source": "6f8de1f0-f67e-45a6-b68f-98777fdb759c",
      "affectedData": [
        {
          "vendor": "Chroma",
          "product": "ChromaDB",
          "defaultStatus": "unaffected",
          "packageName": "chromadb",
          "repo": "https://github.com/chroma-core/chroma",
          "versions": [
            {
              "version": "1.0.0",
              "lessThanOrEqual": "*",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    },
    {
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "affectedData": [
        {
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux AI (RHEL AI) 3",
          "defaultStatus": "unaffected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "rhelai3/bootc-cuda-rhel9",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux_ai:3"
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux AI (RHEL AI) 3",
          "defaultStatus": "unaffected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "rhelai3/bootc-gaudi-rhel9",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux_ai:3"
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        },
        {
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux AI (RHEL AI) 3",
          "defaultStatus": "unaffected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "rhelai3/bootc-rocm-rhel9",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux_ai:3"
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux AI (RHEL AI) 3",
          "defaultStatus": "unaffected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "rhelai3/disk-image-cuda-rhel9",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux_ai:3"
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "6f8de1f0-f67e-45a6-b68f-98777fdb759c",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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": 10.0,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "HIGH",
          "subIntegrityImpact": "HIGH",
          "subAvailabilityImpact": "HIGH",
          "exploitMaturity": "NOT_DEFINED",
          "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": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.0
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-19T12:53:10.341013Z",
          "id": "CVE-2026-45829",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "6f8de1f0-f67e-45a6-b68f-98777fdb759c",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    },
    {
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/chroma-core/chroma/issues/6717",
      "source": "6f8de1f0-f67e-45a6-b68f-98777fdb759c"
    },
    {
      "url": "https://www.hiddenlayer.com/research/chromatoast-served-pre-auth",
      "source": "6f8de1f0-f67e-45a6-b68f-98777fdb759c"
    },
    {
      "url": "https://access.redhat.com/security/cve/CVE-2026-45829",
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479623",
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
    },
    {
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45829.json",
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
    },
    {
      "url": "https://www.hiddenlayer.com/research/chromatoast-served-pre-auth",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ]
}