CVE•Published 2026-06-12•Modified 2026-06-16•1 article on news•5 live references•NVD data
CVE-2026-45831Trychroma · Chromadb
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
13
Exploit Prediction Scoring System · top 87% of all CVEs
Weaknesses (CWE)
Description
The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collection that permission applies to allowing users to perform cross tenant actions.
Timeline
Published 2026-06-12
Modified 2026-06-16
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-45831Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Trychroma Chromadb"All exposed Trychroma Chromadb instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Chromadb"HTTP body or banner mentions "Chromadb" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-45831Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-45831Censys host search filtered to this CVE id.
grep.app
CVE-2026-45831Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-45831GitHub code search for direct mentions.
Google dork
"CVE-2026-45831" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.