PT-2026-85557 · Chroma Core · Chroma

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CVE-2026-85664

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Published

2026-09-04

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Updated

2026-09-04

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.

Fix

Allocation of Resources Without Limits

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Weakness Enumeration

Related Identifiers

CVE-2026-85664

Affected Products

Chroma