Langflow: IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote attacker to obtain sensitive…
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:H/I:N/A:N
- Record
- CVE-2026-19305
- Affects
- Langflow
- Known exploited
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Published
- Record first published by the source
- September 4, 2026
- Source last modified
- September 8, 2026
Description
IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote attacker to obtain sensitive information due to server-side request forgery.
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 1.11.2. An attacker working remotely could trick Langflow into sending web requests on their behalf (a weakness known as server-side request forgery) and use this to obtain sensitive information. If your organization runs any of these versions, it is affected. This flaw is rated High.
What to do
- Find out who installed or runs Langflow for your organization: a staff member, a volunteer, or an IT provider or vendor who manages it for you.
- Have that person check which version of Langflow you are running. Versions 1.0.0 through 1.11.2 are 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 you, send them this advisory and ask when the update will be done.
Analysis written from the source record as of September 8, 2026 and reviewed before publishing.