A code injection vulnerability in version 0.4.17 or later of the ChromaDB Python project allows an authenticated attacker to run arbitrary…
CVE-2026-45833
A code injection vulnerability in version 0.4.17 or later of the ChromaDB Python project allows an authenticated attacker to run arbitrary code on the server by sending a malicious model repository and trustremotecode set to true in the /api/v2/tenants/defaulttenant/databases/defaultdatabase/collections/{collectionid} if they have the UPDATECOLLECTION permission.
Proof-of-concept code is published
Public PoC
- Public PoCe4zyy/Project-CVE-2026-45833
Signals come from Exploit-DB, Metasploit, Nuclei and published proof-of-concept repositories. Their absence means nothing was found, not that nothing exists.
Part of the AI stack
This affects Chroma, in Vector & retrieval.
Assessment
- CVSS
- 9.4 (v4.0)
- Severity
- Critical
- EPSS
- 0.34% chance of exploitation in the next 30 days
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Public PoC
- Published
- 12 June 2026
- Last updated
- 26 October 2026
- Weakness
- CWE-94
- Assigner
- 6f8de1f0-f67e-45a6-b68f-98777fdb759c
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
At the source
References
- https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-5
- https://access.redhat.com/security/cve/CVE-2026-45833
- https://bugzilla.redhat.com/show_bug.cgi?id=2488430
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45833.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-45833
- https://github.com/advisories/GHSA-36p7-vc44-83pf
Community proofs of concept
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