Vulnerability-Lookup

PYSEC-2026-311

Vulnerability from pysec - Published: 2026-06-29 11:50 - Updated: 2026-06-29 12:05

Details

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

9.3 (Critical)


                  
                    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:P

Impacted products

Name	purl
chromadb

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "chromadb"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.0.0"
            },
            {
              "last_affected": "1.5.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.0",
        "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-2026-45829",
    "GHSA-f4j7-r4q5-qw2c"
  ],
  "details": "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\u00a0/api/v2/tenants/{tenant}/databases/{db}/collections endpoint.",
  "id": "PYSEC-2026-311",
  "modified": "2026-06-29T12:05:23.808560Z",
  "published": "2026-06-29T11:50:50.691654Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45829"
    },
    {
      "type": "WEB",
      "url": "https://github.com/chroma-core/chroma/issues/6717"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/chroma-core/chroma"
    },
    {
      "type": "WEB",
      "url": "https://www.hiddenlayer.com/research/chromatoast-served-pre-auth"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/chromadb"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-f4j7-r4q5-qw2c"
    }
  ],
  "severity": [
    {
      "score": "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:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "ChromaDB Python project has a pre-authentication code injection vulnerability"
}

CVE-2026-45829 (GCVE-0-2026-45829)

Vulnerability from cvelistv5 – Published: 2026-05-18 15:59 – Updated: 2026-06-29 12:34

Summary

Severity

10 (Critical)


                        
                          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

10 (Critical)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')
CWE-502 - Deserialization of Untrusted Data

Assigner

HiddenLayer

References

5 references

URL	Tags
https://www.hiddenlayer.com/research/chromatoast-…
https://github.com/chroma-core/chroma/issues/6717
https://access.redhat.com/security/cve/CVE-2026-45829	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2479623	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex

Impacted products

2 products

Vendor	Product	Version
Chroma	ChromaDB	Affected: 1.0.0 , ≤ * (semver)
Red Hat	Red Hat Enterprise Linux AI (RHEL AI) 3	cpe:/a:redhat:enterprise_linux_ai:3

Credits

Esteban Tonglet

Show details on NVD website

JSON

To clipboard

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GHSA-F4J7-R4Q5-QW2C

Vulnerability from github – Published: 2026-05-18 18:31 – Updated: 2026-05-29 19:15

Summary

ChromaDB Python project has a pre-authentication code injection vulnerability

Details

Severity

9.3 (Critical)


                  
                    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:P

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "chromadb"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.0.0"
            },
            {
              "last_affected": "1.5.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-45829"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-94"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-29T19:15:04Z",
    "nvd_published_at": "2026-05-18T17:16:34Z",
    "severity": "CRITICAL"
  },
  "details": "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\u00a0/api/v2/tenants/{tenant}/databases/{db}/collections endpoint.",
  "id": "GHSA-f4j7-r4q5-qw2c",
  "modified": "2026-05-29T19:15:04Z",
  "published": "2026-05-18T18:31:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45829"
    },
    {
      "type": "WEB",
      "url": "https://github.com/chroma-core/chroma/issues/6717"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/chroma-core/chroma"
    },
    {
      "type": "WEB",
      "url": "https://www.hiddenlayer.com/research/chromatoast-served-pre-auth"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "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:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "ChromaDB Python project has a pre-authentication code injection vulnerability"
}

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.

Action not permitted

PYSEC-2026-311

CVE-2026-45829 (GCVE-0-2026-45829)

GHSA-F4J7-R4Q5-QW2C

Tags

Sightings

Nomenclature