PYSEC-2026-3813

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/chromadb/PYSEC-2026-3813.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2026-3813
Aliases
Published
2026-09-10T09:44:49Z
Modified
2026-09-10T12:15:06Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 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
ChromaDB allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection
Details

A lack of authorization validation in version 0.4.17 or later of the ChromaDB Python project allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection regardless of which tenant they belong to.

References

Affected packages

PyPI / chromadb

Package

Name
chromadb
View open source insights on deps.dev
Purl
pkg:pypi/chromadb

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0.4.17
Last Affected
1.5.9

Affected versions

0.*
0.4.17
0.4.18
0.4.19
0.4.20
0.4.21
0.4.22
0.4.23
0.4.24
0.5.0
0.5.1
0.5.2
0.5.3
0.5.4
0.5.5
0.5.7
0.5.9
0.5.10
0.5.11
0.5.12
0.5.13
0.5.15
0.5.16
0.5.17
0.5.18
0.5.20
0.5.21
0.5.23
0.6.0
0.6.1
0.6.2
0.6.3
1.*
1.0.0b0
1.0.0
1.0.2
1.0.3
1.0.4
1.0.5
1.0.6
1.0.7
1.0.8
1.0.9
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
1.0.20
1.0.21
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

Database specific

source 
"https://github.com/pypa/advisory-database/blob/main/vulns/chromadb/PYSEC-2026-3813.yaml"