Vulnerability-Lookup

PYSEC-2026-3815

Vulnerability from pysec - Published: 2026-09-10 09:44 - Updated: 2026-09-10 11:02

Details

The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collection that permission applies to allowing users to perform cross tenant actions.

Severity

8.8 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

Impacted products

Name	purl
chromadb	pkg:pypi/chromadb

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "chromadb",
        "purl": "pkg:pypi/chromadb"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.5.0"
            },
            {
              "last_affected": "1.5.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.5.0",
        "0.5.1",
        "0.5.10",
        "0.5.11",
        "0.5.12",
        "0.5.13",
        "0.5.15",
        "0.5.16",
        "0.5.17",
        "0.5.18",
        "0.5.2",
        "0.5.20",
        "0.5.21",
        "0.5.23",
        "0.5.3",
        "0.5.4",
        "0.5.5",
        "0.5.7",
        "0.5.9",
        "0.6.0",
        "0.6.1",
        "0.6.2",
        "0.6.3",
        "1.0.0",
        "1.0.0b0",
        "1.0.10",
        "1.0.11",
        "1.0.12",
        "1.0.13",
        "1.0.15",
        "1.0.16",
        "1.0.17",
        "1.0.18",
        "1.0.19",
        "1.0.2",
        "1.0.20",
        "1.0.21",
        "1.0.3",
        "1.0.4",
        "1.0.5",
        "1.0.6",
        "1.0.7",
        "1.0.8",
        "1.0.9",
        "1.1.0",
        "1.1.1",
        "1.2.0",
        "1.2.1",
        "1.2.2",
        "1.3.0",
        "1.3.2",
        "1.3.3",
        "1.3.4",
        "1.3.5",
        "1.3.6",
        "1.3.7",
        "1.4.0",
        "1.4.1",
        "1.5.0",
        "1.5.1",
        "1.5.2",
        "1.5.3",
        "1.5.4",
        "1.5.5",
        "1.5.6",
        "1.5.7",
        "1.5.8",
        "1.5.9"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-45831",
    "GHSA-xph7-9rjv-w5fr"
  ],
  "details": "The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collection that permission applies to allowing users to perform cross tenant actions.",
  "id": "PYSEC-2026-3815",
  "modified": "2026-09-10T11:02:00.345539Z",
  "published": "2026-09-10T09:44:49.853001Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45831"
    },
    {
      "type": "WEB",
      "url": "https://github.com/chroma-core/chroma/issues/7588"
    },
    {
      "type": "WEB",
      "url": "https://github.com/chroma-core/chroma/pull/7602"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/chroma-core/chroma"
    },
    {
      "type": "WEB",
      "url": "https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/chromadb"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-xph7-9rjv-w5fr"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "ChromaDB\u0027s SimpleRBACAuthorizationProvider doesn\u0027t check which tenant, database, or collection a permission applies to"
}

CVE-2026-45831 (GCVE-0-2026-45831)

Vulnerability from cvelistv5 – Published: 2026-06-12 15:03 – Updated: 2026-06-12 16:22

Summary

Severity

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-12 16:21 UTC

CWE

CWE-863 - Incorrect Authorization

Assigner

HiddenLayer mitre root Scorecard

References

1 reference

URL	Tags
https://www.hiddenlayer.com/sai-security-advisory…

Impacted products

1 product

Vendor	Product	Version
Chroma	ChromaDB	Affected: 0.5.0 , ≤ * (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-45831",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-12T16:21:25.323544Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-12T16:22:00.578Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "chromadb",
          "product": "ChromaDB",
          "repo": "https://github.com/chroma-core/chroma",
          "vendor": "Chroma",
          "versions": [
            {
              "lessThanOrEqual": "*",
              "status": "affected",
              "version": "0.5.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cpre\u003eThe SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collection that permission applies to allowing users to perform cross tenant actions.\u003c/pre\u003e"
            }
          ],
          "value": "The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collection that permission applies to allowing users to perform cross tenant actions."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-180",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-863",
              "description": "CWE-863: Incorrect Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-12T15:03:58.841Z",
        "orgId": "6f8de1f0-f67e-45a6-b68f-98777fdb759c",
        "shortName": "HiddenLayer"
      },
      "references": [
        {
          "url": "https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6f8de1f0-f67e-45a6-b68f-98777fdb759c",
    "assignerShortName": "HiddenLayer",
    "cveId": "CVE-2026-45831",
    "datePublished": "2026-06-12T15:03:58.841Z",
    "dateReserved": "2026-05-13T14:01:39.604Z",
    "dateUpdated": "2026-06-12T16:22:00.578Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

GHSA-XPH7-9RJV-W5FR

Vulnerability from github – Published: 2026-06-12 18:31 – Updated: 2026-08-24 20:00

Summary

ChromaDB's SimpleRBACAuthorizationProvider doesn't check which tenant, database, or collection a permission applies to

Details

Severity

8.8 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "chromadb"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.5.0"
            },
            {
              "last_affected": "1.5.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-45831"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-08-24T20:00:42Z",
    "nvd_published_at": "2026-06-12T16:16:28Z",
    "severity": "HIGH"
  },
  "details": "The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collection that permission applies to allowing users to perform cross tenant actions.",
  "id": "GHSA-xph7-9rjv-w5fr",
  "modified": "2026-08-24T20:00:42Z",
  "published": "2026-06-12T18:31:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45831"
    },
    {
      "type": "WEB",
      "url": "https://github.com/chroma-core/chroma/issues/7588"
    },
    {
      "type": "WEB",
      "url": "https://github.com/chroma-core/chroma/pull/7602"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/chroma-core/chroma"
    },
    {
      "type": "WEB",
      "url": "https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "ChromaDB\u0027s SimpleRBACAuthorizationProvider doesn\u0027t check which tenant, database, or collection a permission applies to"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

PYSEC-2026-3815

CVE-2026-45831 (GCVE-0-2026-45831)

GHSA-XPH7-9RJV-W5FR

Tags

Sightings

Nomenclature

Related by attack behaviour