IBMCVE-2026-85025
IBM Langflow OSS: remote code execution
Critical9.8CVE-2026-85025 · Published Sep 10, 2026 · updated Sep 15, 2026
IBM Langflow OSS 1.0.0 through 1.11.5 Langflow could allow an unauthenticated attacker to execute arbitrary code and access or modify chat sessions through publicly shared MCP project endpoints due to improper enforcement of public-flow security restrictions and session isolation controls.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Langflow OSS Product | >= 1.0.0, <= 1.11.5 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-863
More IBM advisories
All IBM| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 10 | IBM DataStage on Cloud Pak for Data: denial of service | Critical9.6 | No fix yet |
| Sep 10 | IBM DataStage on Cloud Pak for Data: information disclosure | Critical9.6 | No fix yet |
| Sep 10 | IBM Langflow OSS: remote code execution | High8.8 | No fix yet |
| Sep 10 | IBM Db2: path traversal | Medium4.3 | No fix yet |
| Sep 10 | IBM Db2: code execution | High7.5 | No fix yet |
| Sep 10 | IBM Db2: denial of service | High8.1 | No fix yet |