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Threatist priority CRITICAL 0 HIGH 1 MEDIUM 1 LOW 0

Signals Exploited in the wild (KEV) 0 Patch available 0 No fix listed 2 Has CVE 2

Fix status Fixed 0 Partial 0 Will not fix 0 Deferred 0 No fix listed 2

Impact type Code execution 0 Privilege escalation 0 Security bypass 1 Information disclosure 0 Tampering 0 Denial of service 1 Spoofing 0 Cross-site scripting 0 SQL injection 0

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Requirements No authentication 1 No user interaction 2

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Weakness (CWE) CWE-770 Allocation of Resources Without Limits or Throttling 1 CWE-863 Incorrect Authorization 1

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Vendor: chroma-core × Clear all filters

TI-2026-62523 CVE-2026-92782 · GHSA-j8fq-8cc8-m22c

Chroma through 1.5.9 Authorization Bypass via Collection Identifier

Priority HIGH 72

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.

CVSS 4.0HIGH 8.6· Network · Low privileges · No interaction · EPSS 0.00448 · Published 2026-09-16 · No fix listed CWE-863

TI-2026-58776 CVE-2026-85664 · GHSA-3q9g-fh5w-hp67

Chroma 1.5.9 Unbounded HNSW Index Parameters Memory Exhaustion

Priority MEDIUM 45

Chroma 1.5.9 fails to validate maximum bounds on HNSW index parameters max_neighbors, ef_construction, and ef_search in collection-create requests.

CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00658 · Published 2026-09-04 · No fix listed CWE-770

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