CVE-2026-13444
High
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.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Langflow
PublishedJul 30, 2026
First seenJul 30, 2026
Weakness typeCWE-520CWE-520
How to fix
Update
- langflow langflow1.10.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| langflow langflow | 1.0.0 ≤ v < 1.10.2 | 1.10.2 |
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