CVE-2026-45832 Auth bypass in ChromaDB
Attackers can bypass authorization controls in ChromaDB by accessing V1 collection-level endpoints that incorrectly pass null tenant and database identifiers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-45832?
CVE-2026-45832 is a high-severity authentication bypass vulnerability in ChromaDB, published on 12 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-45832?
It affects 1 product.
Products include Trychroma Chromadb.
How do I fix CVE-2026-45832?
No fix has been published for CVE-2026-45832 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-45832 being exploited?
There is no known exploitation of CVE-2026-45832 in the wild and no public exploit code.
Other vulnerabilities in ChromaDB
- CVE-2026-45833 ChromaDB has a code injection vulnerability
- CVE-2026-45830 ChromaDB allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection
- CVE-2026-45831 ChromaDB's SimpleRBACAuthorizationProvider doesn't check which tenant, database, or collection a permission applies to
Sources
Also known as GHSA-x97m-f58v-9cwg.