CVE Explorer
CVE-2026-45831
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","packageName":"chromadb","product":"ChromaDB","repo":"https://github.com/chroma-core/chroma","vendor":"Chroma","versions":[{"lessThanOrEqual":"*","status":"affected","version":"0.5.0","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:2d671835cd6d547d95963239edff79d3d6b0442e917af255d30fecffda65c88d · sha256:1b48c311dde883ee… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:2d671835cd6d547d95963239edff79d3d6b0442e917af255d30fecffda65c88d · sha256:1b48c311dde883ee… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:2d671835cd6d547d95963239edff79d3d6b0442e917af255d30fecffda65c88d · sha256:1b48c311dde883ee… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:2d671835cd6d547d95963239edff79d3d6b0442e917af255d30fecffda65c88d · sha256:1b48c311dde883ee… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.