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Advisory record · GHSA-36p7-vc44-83pf

ChromaDB has a code injection vulnerability

CVSS 9.4 CriticalCriticalEPSS 0.0043 · 38th percentile

Critical, because:

  • CVSS score 9.4: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 12 Jun 2026, 18:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
chromadbPyPI>=0.4.17, <=1.5.9No fixed version yet
Identifiers
GHSA-36p7-vc44-83pf · CVE-2026-45833 · PYSEC-2026-3814
Weakness (CWE)
CWE-94
Tags
Published
12 Jun 2026
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

ChromaDB (chromadb) versions 0.4.17 through 1.5.9 are affected. An authenticated attacker with the UPDATE_COLLECTION permission can send a malicious model repository with trust_remote_code set to true to a collection update endpoint, which allows arbitrary code execution on the server. No fixed version is listed.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.4 Critical 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CNA (HiddenLayer)
  • CISA KEV Not listed.
  • EPSS 0.0043, the 38th percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:10 UTC First seen by agentprime
  2. 31 Oct 2026, 14:10 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.