HIGHVulnerability
CVE-2026-85664
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.
Properties
- severity
- HIGH
- score
- 7.5
- cve_id
- CVE-2026-85664
- signal_observed_at
- 2026-09-16T13:31:01+00:00
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- published_at
- 2026-09-04T15:17:44.097
- last_modified
- 2026-09-10T16:18:00.510
Related Entities (2)
HAS_WEAKNESS (1)
→[Weakness]Allocation of Resources Without Limits or Throttling
DESCRIBED_BY (1)
→[Source]NVD
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