CVE-2026-45829
53Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 10epss 12%
from disclosure to weapon2 days
Published on NVDMay 18
1st PoC+2d
exploitation probability
12%top 4% of all CVEs
observed exploitation
nono source reports it
2 public exploit(s)
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Affected products
Chroma · ChromaDBpublic PoCs found — 2
githubgithub.com/0xBlackash/CVE-2026-45829★ 0githubgithub.com/fevar54/FULL-ANALYSIS---CVE-2026-45829-ChromaDB-★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://access.redhat.com/security/cve/CVE-2026-45829https://bugzilla.redhat.com/show_bug.cgi?id=2479623https://github.com/chroma-core/chroma/issues/6717https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45829.jsonhttps://www.hiddenlayer.com/research/chromatoast-served-pre-auth