CVE-2026-45831

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Source

https://cve.org/CVERecord?id=CVE-2026-45831

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45831.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-45831

Published

2026-06-12T15:03:58.841Z

Modified

2026-07-18T03:47:24.828237090Z

Severity

8.8 (High) CVSS_V4 - 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 CVSS Calculator

Summary

[none]

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.

Database specific

{
    "cwe_ids": [
        "CWE-863"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45831.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "0.5.0"
                },
                {
                    "last_affected": "*"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ],
    "cna_assigner": "HiddenLayer"
}

References

Affected packages

Git / github.com/chroma-core/chroma

Affected ranges

Type

GIT

Repo

https://github.com/chroma-core/chroma

Events

Introduced

26b8ac67628e7b87ce53f067c0e95986378ccbaa

Last affected

a0a3c35217f2252870331dfd7b91590131fdad10

Database specific

{
    "cpe": "cpe:2.3:a:trychroma:chromadb:*:*:*:*:*:python:*:*",
    "extracted_events": [
        {
            "introduced": "0.5.0"
        },
        {
            "last_affected": "1.5.9"
        }
    ],
    "source": "CPE_RANGE"
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45831.json"