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Exposed ChromaDB servers hit by high-severity RCE via post-load authentication bypass

1 min read
Source: BleepingComputer
Exposed ChromaDB servers hit by high-severity RCE via post-load authentication bypass
Photo: BleepingComputer
TL;DR Summary

A max-severity vulnerability in ChromaDB’s Python FastAPI server (CVE-2026-45829) lets unauthenticated attackers load a malicious model and run code before authentication, enabling remote code execution on exposed servers. The flaw affects the PyPI package (nearly 14 million monthly downloads); mitigations include using the Rust frontend or restricting network access, and validating models before runtime. Patch status is unclear after version 1.5.9, and Shodan shows about 73% of internet-exposed instances are still vulnerable.

Topics:technology#ai#chromadb#cve-2026-45829#cybersecurity#security#vulnerability
Share this article
  1. Max-severity flaw in ChromaDB for AI apps allows server hijacking  BleepingComputer
  2. Unpatched ChromaDB Vulnerability Can Lead to Server Takeover  SecurityWeek
  3. CVE-2026-45829: ChromaDB FastAPI ChromaToast RCE Exploit Now  The Cyber Express
  4. ChromaDB: Critical vulnerability allows Pre-auth RCE via HuggingFace  SecNews.gr
  5. Max-severity vulnerability in ChromaDB allows unauthenticated remote code execution | brief | SC Media  SC Media

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