Langflow: IBM Langflow OSS 1.0.0 through 1.9.0 could allow a denial of service due to uncontrolled…
Langflow
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- Severity
- High, CVSS 7.5
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Record
- CVE-2026-7528
- Affects
- Langflow
- Known exploited
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Published
- Record first published by the source
- May 27, 2026
- Source last modified
- October 26, 2026
Description
IBM Langflow OSS 1.0.0 through 1.9.0 could allow a denial of service due to uncontrolled resource consumption.
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 1.9.0. An attacker could make Langflow use up the computer power it runs on without limit, which can slow it down or stop it from working for the people who rely on it. This kind of attack is called a denial of service. This flaw is rated High. If your organization uses Langflow, check whether one of these versions is installed.
What to do
- Find out who installed or runs Langflow for your organization. It could be a staff member, a volunteer, or an IT provider or vendor.
- If someone in your organization runs it, ask them to check which version is installed. Versions 1.0.0 through 1.9.0 are affected.
- No fixed version is named for this flaw yet. Ask them to check the vendor advisory linked on this page for a fixed release and to 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 26, 2026 and reviewed before publishing.