Langflow: IBM Langflow OSS 1.0.0 through 1.11.5
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-2026-81265
- 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 16, 2026
Description
IBM Langflow OSS 1.0.0 through 1.11.5.
Description quoted from the NVD record.
Who is affected
Your organization is affected if it uses Langflow (also called IBM Langflow OSS), a tool for building apps that use AI language models. This flaw affects versions 1.0.0 through 1.11.5. No details have been named about which part of the product has the problem, what conditions are needed, or what an attacker could do with it, so treat any copy in that version range as affected. This flaw is rated High. If your organization does not use Langflow, this problem does not affect you.
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.
- If someone in your organization runs it, ask them to check which version is installed. Any version from
1.0.0through1.11.5is 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 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 September 16, 2026 and reviewed before publishing.