Langflow: IBM Langflow OSS 1.0.0 through 1.12.2 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-2026-97673
- Affects
- Langflow
- Known exploited
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Published
- Record first published by the source
- October 7, 2026
- Source last modified
- October 8, 2026
Description
IBM Langflow OSS 1.0.0 through 1.12.2 could allow a remote authenticated attacker to execute arbitrary code due to improper input validation.
Description quoted from the NVD record.
Who is affected
Langflow (also called IBM Langflow OSS) is a tool for building apps that use AI language models. This flaw affects versions 1.0.0 through 1.12.2. Because a part of the product does not properly check the information it receives, an attacker who can sign in to Langflow over a network could run any code they choose on the computer running Langflow. This flaw is rated High. If your organization uses Langflow in any of these versions, this problem applies to you.
What to do
- The person who installed or runs Langflow for your organization should check which version is in use. Any version from
1.0.0through1.12.2has this flaw. - 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 October 8, 2026 and reviewed before publishing.