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Vulnerability record · CVE-2026-45831 · published 12 June 2026

CVE-2026-45831: Trychroma chromadb incorrect authorization vulnerability

Trychroma · Chromadb

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.

8.8 CVSS 4.0 High EPSS 0.42% · top 66.0% CWE-863 · Incorrect authorization
8.8CVSS 4.0 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.4CVE-2026-45833Trychroma chromadb code injection vulnerabilityA code injection vulnerability in version 0.4.17 or later of the ChromaDB Python project allows an authenticated attacker to run arbitrary code on th…EPSS 0.63%8.8CVE-2026-45830Trychroma chromadb insecure direct object reference vulnerabilityA lack of authorization validation in version 0.4.17 or later of the ChromaDB Python project allows any authenticated users to arbitrarily read, writ…EPSS 0.50%8.8CVE-2026-45832Trychroma chromadb insecure direct object reference vulnerabilityAll V1 collection-level endpoints in ChromaDB's Python project pass None for the tenant and database to the authorization layer, allowing attackers t…EPSS 0.52%9.1CVE-2026-71362Adobe commerce incorrect authorization vulnerabilityAdobe Commerce is affected by an Incorrect Authorization vulnerability that could result in privilege escalation. An attacker could leverage this vul…KEVEPSS 88%8.8CVE-2026-42016JFrog Artifactory token scope bypass enables privilege escalationJFrog Artifactory (Self Hosted) before 7.133.11 validates a token's signature and issuer but not its scope, so a token can be used for actions beyond…KEVEPSS 8.6%analysed10.0CVE-2025-54253Adobe Experience Manager Forms misconfiguration allows pre-auth code executionAdobe Experience Manager Forms 6.5.23 and earlier contain a misconfiguration (CWE-863, incorrect authorization) that lets an attacker bypass security…KEVEPSS 88%analysed5.4CVE-2025-55177WhatsApp iOS and Mac linked-device sync authorization flawWhatsApp for iOS, WhatsApp Business for iOS and WhatsApp for Mac fail to fully authorize linked-device synchronization messages, letting an unrelated…KEVEPSS 4.3%analysed8.6CVE-2025-21480Qualcomm GPU micronode memory corruption via unauthorized command executionA memory corruption flaw in Qualcomm's GPU micronode is caused by incorrect authorization (CWE-863), allowing an unauthorized command sequence to be …KEVEPSS 0.46%analysed

Source: NIST National Vulnerability Database (record CVE-2026-45831), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.