Vulnerability details
CVE-2026-45831
Chroma ChromaDB
CVSS 4.0
8.8High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 4.0 | CVEProject cvelistV5 (CNA) (HiddenLayer) | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Chroma | ChromaDB | 0.5.0 ≤ v | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-06-12
- Last updated
- 2026-06-12
- State
- Published
- Assigner (CNA)
- HiddenLayer
Exploit prediction (EPSS)
0.23%
Probability of exploitation in 30 days
14.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-863Incorrect Authorization