Langflow: IBM Langflow OSS 1.0.0 through 1.12.2 could allow a remote attacker to execute arbitrary code…
Langflow
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- Severity
- Critical, CVSS 9.8
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Record
- CVE-2026-104334
- 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 attacker to execute arbitrary code due to improper control of code generation.
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. If your organization uses Langflow in any of these versions, it is affected. Because of a weakness in how the product handles code it creates and runs, an attacker working remotely could run any code they choose on the computer or server where Langflow is installed. This flaw is rated Critical.
What to do
- Find out who installed or runs Langflow for your organization. This could be a staff member, a volunteer, or an IT provider or vendor who manages it for you. That person or company should act on this flaw.
- Ask them to check which version of Langflow is in use. Versions 1.0.0 through 1.12.2 are affected.
- No fixed version is named for this flaw yet. Check the vendor advisory linked on this page for a fixed release, and install it as soon as one is available.
- If an IT provider or vendor runs Langflow for you, 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.