CVE-2026-45831High· 8.8▾ TwilightChromaDB's SimpleRBACAuthorizationProvider doesn't check which tenant, database, or collection a permission applies to
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 25.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
0.2%
Last analysed / modified upstream
0.2% → 0.4%
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.
chromadb >= 0.5.0, <= 1.5.9Refer to the advisory for the patched release.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-45830High· 8.8ChromaDB allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection
CVE-2026-45833CriticalChromaDB has a code injection vulnerability
CVE-2026-45829Critical· 10.0A 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_c…