Description
IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to access another user's private vector documents by creating their own flow with matching Chroma persist_directory and collection_name values. The attacker receives exact victim content in their workflow output despite having no authorization to read the victim's flow. Additionally, the attacker can pollute the victim's collection by inserting their own documents into the shared namespace.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| IBM | Langflow OSS | 1.0.0 – ≤ 1.10.1 | — |
Advisories 1
- WID-SEC-2026-2366 IBM Langflow Desktop: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 30, 2026
References
- https://www.ibm.com/support/pages/node/7279989 vendor-advisory patch