HIGH
CVE-2026-92782
CVSS
8.1
Description
Chroma through 1.5.9 fails to validate tenant and database segments when resolving collections, allowing authenticated attackers to access collections from other tenants by knowing the collection identifier. Attackers can read, modify, and update records in foreign collections by issuing requests under their own tenant path, bypassing authorization checks.
Weakness (CWE)
CWE-863
Incorrect Authorization
EPSS Score
0.25%
Probability of exploitation in next 30 days
16.8th percentile
References
https://github.com/chroma-core/chroma
https://github.com/chroma-core/chroma/blob/1.5.9/rust/frontend/src/get_collection_with_segments_provider.rs#L143-L160
https://github.com/chroma-core/chroma/blob/1.5.9/rust/frontend/src/server.rs#L469-L487
https://github.com/chroma-core/chroma/issues/7462
https://www.vulncheck.com/advisories/chroma-through-1.5.9-authorization-bypass-via-collection-identifier
Base CVE data derived from NVD (public domain). Enrichment by
dbcve.org
(CC-BY-4.0). Fetched via API.