Langflow: IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute…
Langflow
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- Severity
- High, CVSS 8.8
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Record
- CVE-2026-84889
- Affects
- Langflow
- Known exploited
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Published
- Record first published by the source
- September 10, 2026
- Source last modified
- September 14, 2026
Description
IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary code due to improper limitation of a pathname to a restricted directory.
Description quoted from the NVD record.
Who is affected
This flaw affects Langflow (also called IBM Langflow OSS), a tool for building apps that use AI language models. Versions 1.0.0 through 1.10.3 are affected. A part of the product does not properly keep file locations inside the folder they are meant to stay in. Because of this, an attacker who has an account and can sign in over a network could run any code they choose on the computer running Langflow. This flaw is rated High. If your organization uses one of these versions, it is affected.
What to do
- If you are not sure whether your organization uses Langflow, ask whoever looks after your computers or online tools.
- The person who installed or runs Langflow for your organization should check which version is in use. Versions
1.0.0through1.10.3are affected. - No fixed version is named for this flaw yet, so check the vendor advisory linked on this page for a fixed release and install it as soon as it is available.
- If an IT provider or vendor runs Langflow for your organization, send them this advisory and ask when the update will be done.
Analysis written from the source record as of September 14, 2026 and reviewed before publishing.