CVE-2026-92782

Chroma through 1.5.9 Authorization Bypass via Collection Identifier

Published Sep 16, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Chroma-core
Chroma-core chroma
Vendors & Products Chroma-core
Chroma-core chroma
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 19, 2026, 1:40 AM
Reserved
Sep 16, 2026, 7:22 PM
Status
Awaiting Analysis
Published
Sep 16, 2026, 9:17 PM
Modified
Sep 24, 2026, 9:00 PM