In short
- CVE-2026-45831 is a HIGH (CVSS 8.8) vulnerability affecting chromadb, chromadb (trychroma).
- Chance of exploitation in the next 30 days (EPSS): 0.24%, higher than 14.8% of all vulnerabilities.
- No patched version is listed yet: follow the vendor's advisory in References.
| Package | Affected versions | Patched versions |
|---|
| chromadb PyPI | ≥ 0.5.0, ≤ 1.5.9
| No fix yet |
| chromadb | ≥ 0.5.0, ≤ 1.5.9
| No fix yet |
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.
NVD 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.
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