Authorization bypass in ChromaDB
Priority MEDIUM 40CWE-639Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass, Privilege escalation
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 4.0 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-639 and CWE-266.
Summary
A lack of authorization validation in version 0.4.17 or later of the ChromaDB Python project allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection regardless of which tenant they belong to.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00345 28th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Chroma | ChromaDB | 0.4.17 and later | — | No fix listed | CNA |
| — | chromadb (PyPI) | 0.4.17 – 1.5.9 | — | No fix listed | GHSA-2wm9-hf6c-p5cr |
- ChromaDB VendorChroma Affected 0.4.17 and later Fixed in — No fix listed CNA
- chromadb (PyPI) Vendor— Affected 0.4.17 – 1.5.9 Fixed in — No fix listed GHSA-2wm9-hf6c-p5cr
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AI (RHEL AI) 3 | Affected | No fix planned: Will not fix |
Not affected: 1 product
- Red Hat OpenShift AI (RHOAI)
Timeline
- 2026-10-02 Threatist record created from CVE-2026-45830
- 2026-10-03 Alias added: GHSA-2wm9-hf6c-p5cr
References
Advisory 2
Other 6
- https://github.com/chroma-core/chroma/issues/7588
- https://github.com/chroma-core/chroma/pull/7602
- https://access.redhat.com/security/cve/CVE-2026-45830
- https://bugzilla.redhat.com/show_bug.cgi?id=2488408
- https://github.com/chroma-core/chroma
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45830.json
More Chromadb vulnerabilities
- TI-2026-33558 Code injection in ChromaDB CVSS 4.0CRITICAL 9.4
- TI-2026-33557 Authorization bypass in ChromaDB CVSS 4.0HIGH 8.8
- TI-2026-33556 Incorrect authorization in ChromaDB CVSS 4.0HIGH 8.8
Sources
- CVE-2026-45830 · CVE Program
- CVE-2026-45830 · NVD
- FIRST EPSS
- GHSA-2wm9-hf6c-p5cr · GitHub Advisory Database · CC BY 4.0
- CVE-2026-45830 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences