CVE-2026-92782
highChroma through 1.5.9 fails to validate tenant and database segments when resolving collections, allowing authenticated attackers to access collections from oth…
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. Attackers can read, modify, and update records in foreign collections by issuing requests under their own tenant path, bypassing authorization checks.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/chroma-core/chroma disclosure@vulncheck.com
- https://github.com/chroma-core/chroma/blob/1.5.9/rust/frontend/src/get_collection_with_seg... disclosure@vulncheck.com
- https://github.com/chroma-core/chroma/blob/1.5.9/rust/frontend/src/server.rs#L469-L487 disclosure@vulncheck.com
- https://github.com/chroma-core/chroma/issues/7462 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/chroma-through-1.5.9-authorization-bypass-via-collect... disclosure@vulncheck.com
- https://github.com/chroma-core/chroma/issues/7462 134c704f-9b21-4f2e-91b3-4a467353bcc0