Chroma through 1.5.9 fails to validate tenant and database segments when resolving collections, allowing authenticated attackers to access collections from other tenants by knowing the collection identifier. Attackers can read, modify, and update records in foreign collections by issuing requests under their own tenant path, bypassing authorization checks.

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History

Wed, 16 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
Description Chroma through 1.5.9 fails to validate tenant and database segments when resolving collections, allowing authenticated attackers to access collections from other tenants by knowing the collection identifier. Attackers can read, modify, and update records in foreign collections by issuing requests under their own tenant path, bypassing authorization checks.
Title Chroma through 1.5.9 Authorization Bypass via Collection Identifier
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-16T20:32:39.647Z

Reserved: 2026-09-16T19:22:54.200Z

Link: CVE-2026-92782

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-09-16T21:17:27.280

Modified: 2026-09-16T21:17:27.280

Link: CVE-2026-92782

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses