CVE-2026-45829
ChromaDB Remote Code Injection Vulnerability
Description
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.
INFO
Published Date :
May 18, 2026, 5:16 p.m.
Last Modified :
July 15, 2026, 12:17 p.m.
Remotely Exploit :
Yes !
Source :
6f8de1f0-f67e-45a6-b68f-98777fdb759c
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | CRITICAL | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | ||||
| CVSS 4.0 | CRITICAL | 6f8de1f0-f67e-45a6-b68f-98777fdb759c | ||||
| CVSS 4.0 | CRITICAL | 6f8de1f0-f67e-45a6-b68f-98777fdb759c |
Solution
- Update the ChromaDB Python project.
- Review and restrict untrusted model repositories.
- Disable 'trust_remote_code' if not required.
Public PoC/Exploit Available at Github
CVE-2026-45829 has a 18 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-45829.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-45829 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-45829
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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Dockerfile Python Shell
None
Python Java Shell PLpgSQL HTML TypeScript SCSS Dockerfile
[과제3] 오픈코드(OpenCode) 연동 MCP 개발
Python JavaScript
企业级 Agentic RAG 知识问答系统 — FastAPI + LangChain 1.3 + LangGraph + React + TypeScript
Dockerfile Python HTML JavaScript CSS TypeScript PowerShell
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Python HTML CSS JavaScript TypeScript
CVE-2026-45829
None
Python
Proof-of-concept exploits and reproduction labs for CVEs analyzed by the Exploit Intelligence Platform
cves exploits proof-of-concept
Shell Python Java JavaScript Ruby C Go C# PHP GDB
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Python Shell JavaScript HTML CSS Dockerfile TypeScript
KDB-RAG-Repositorios
Python PowerShell Dockerfile Shell
A hybrid L1/L2 caching layer for LLM systems that eliminates unnecessary embedding and vector search on exact prompt repeats.
Python Shell Dockerfile
LLM-Powered Application Security Posture Management Platform
Python JavaScript HTML Dockerfile Go Template
Remote MCP server for ChromaDB
chromadb claude claude-code claude-desktop claude-mobile docker mcp model-context-protocol remote-mcp remote-mcp-server
Dockerfile JavaScript Shell TypeScript
None
Dockerfile Shell Python HTML JavaScript CSS
Conversation-based AI with documents
Python Dockerfile
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-45829 vulnerability anywhere in the article.
-
The Cyber Express
Google Unveils Gemini 3.5 Flash Cyber to Find and Fix Software Vulnerabilities Faster
Google has introduced Gemini 3.5 Flash Cyber, a lightweight AI model designed to improve cybersecurity by helping defenders identify, validate, and patch software vulnerabilities more efficiently. Bui ... Read more
-
The Cyber Express
Splunk Urges Immediate Patching of Critical Flaw Enabling Arbitrary File Operations
A newly disclosed security vulnerability in Splunk Enterprise has prompted urgent patching efforts after researchers revealed that the flaw could allow unauthenticated attackers to perform arbitrary f ... Read more
-
The Cyber Express
Microsoft Patches Actively Exploited Defender Vulnerabilities Affecting Enterprise Systems
Microsoft has confirmed active exploitation of two security vulnerabilities in its security ecosystem, identified as CVE-2026-41091 and CVE-2026-45498, both evaluated under the CVSS scoring system. Th ... Read more
-
The Cyber Express
Discord Launches End-to-End Encryption for Voice and Video Calls
Discord has officially rolled out end-to-end encryption for all voice and video calls across its platform, marking a major shift in how the company approaches user privacy and secure communications. T ... Read more
-
The Cyber Express
Critical ChromaDB Flaw Exposes AI Vector Databases to Remote Code Execution
The security issue tracked as CVE-2026-45829, often referred to in analysis as ChromaToast Served Pre-Auth, affects the open-source vector database ChromaDB. ChromaDB is widely used for semantic searc ... Read more
The following table lists the changes that have been made to the
CVE-2026-45829 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Jul. 15, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:/a:redhat:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', 'packageName': 'rhelai3/bootc-cuda-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', 'packageName': 'rhelai3/bootc-gaudi-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', 'packageName': 'rhelai3/bootc-rocm-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', 'packageName': 'rhelai3/disk-image-cuda-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}] Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Added CWE CWE-502 Added Reference https://access.redhat.com/security/cve/CVE-2026-45829 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2479623 Added Reference https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45829.json -
CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Jul. 15, 2026
Action Type Old Value New Value Removed Affected [{'cpes': ['cpe:/a:redhat:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', 'packageName': 'rhelai3/bootc-cuda-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', 'packageName': 'rhelai3/bootc-gaudi-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', 'packageName': 'rhelai3/bootc-rocm-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', 'packageName': 'rhelai3/disk-image-cuda-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}] Removed CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Removed CWE CWE-502 Removed Reference https://access.redhat.com/security/cve/CVE-2026-45829 Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=2479623 Removed Reference https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45829.json -
CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Jul. 15, 2026
Action Type Old Value New Value Changed Affected [{'cpes': ['cpe:/a:redhat:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', 'defaultStatus': 'unaffected'}] [{'cpes': ['cpe:/a:redhat:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', 'packageName': 'rhelai3/bootc-cuda-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', 'packageName': 'rhelai3/bootc-gaudi-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', 'packageName': 'rhelai3/bootc-rocm-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', 'packageName': 'rhelai3/disk-image-cuda-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}] -
CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Jun. 27, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:/a:redhat:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', 'defaultStatus': 'unaffected'}] Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Added CWE CWE-502 Added Reference https://access.redhat.com/security/cve/CVE-2026-45829 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2479623 Added Reference https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45829.json -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-45829', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-05-19T12:53:10.341013Z'} -
CVE Modified by 6f8de1f0-f67e-45a6-b68f-98777fdb759c
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://github.com/chroma-core/chroma', 'vendor': 'Chroma', 'product': 'ChromaDB', 'versions': [{'status': 'affected', 'version': '1.0.0', 'versionType': 'semver', 'lessThanOrEqual': '*'}], 'packageName': 'chromadb', 'defaultStatus': 'unaffected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
May. 19, 2026
Action Type Old Value New Value Added Reference https://www.hiddenlayer.com/research/chromatoast-served-pre-auth -
New CVE Received by 6f8de1f0-f67e-45a6-b68f-98777fdb759c
May. 18, 2026
Action Type Old Value New Value Added Description 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:X/V:X/RE:X/U:X Added CWE CWE-94 Added Reference https://github.com/chroma-core/chroma/issues/6717 Added Reference https://www.hiddenlayer.com/research/chromatoast-served-pre-auth