GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

PYSEC-2026-3815

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



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


Detection rules are retrieved from Rulezet.