GHSA-3q9g-fh5w-hp67HighCVSS 7.5
Chroma 1.5.9 fails to validate maximum bounds on HNSW index parameters max_neighbors,...
🔗 CVE IDs covered (1)
📋 Description
Chroma 1.5.9 fails to validate maximum bounds on HNSW index parameters max_neighbors, ef_construction, and ef_search in collection-create requests. Unauthenticated attackers can supply arbitrarily large parameter values to exhaust server memory and cause denial of service during index compaction.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-85664
- https://github.com/chroma-core/chroma/issues/7225
- https://github.com/chroma-core/chroma
- https://github.com/chroma-core/chroma/blob/1.5.9/rust/frontend/src/auth/mod.rs
- https://github.com/chroma-core/chroma/blob/1.5.9/rust/types/src/hnsw_configuration.rs
- https://www.vulncheck.com/advisories/chroma-1.5.9-unbounded-hnsw-index-parameters-memory-exhaustion
- https://github.com/advisories/GHSA-3q9g-fh5w-hp67