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CVE-2026-45832

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-12 · updated 2026-10-26
• Weakness: CWE-639

Description

All V1 collection-level endpoints in ChromaDB's Python project pass None for the tenant and database to the authorization layer, allowing attackers to bypass authorization controls by using the V1 endpoints.

Affected products

• ChromaDB: from 0.5.0 through 1.5.9

References

• https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-4
• https://access.redhat.com/security/cve/CVE-2026-45832
• https://bugzilla.redhat.com/show_bug.cgi?id=2488411
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45832.json

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