IBMCVE-2026-19286
IBM Langflow OSS: remote code execution
Critical9.8CVE-2026-19286 · Published Aug 28, 2026 · updated Sep 1, 2026
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary code due to improper enforcement of security restrictions on the A2A public endpoint.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Langflow OSS Product | >= 1.0.0, <= 1.11.1 | 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-94
More IBM advisories
All IBM| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 28 | IBM Concert: SQL injection | Critical9.1 | No fix yet |
| Aug 28 | IBM Cloud Pak for Data System: denial of service | Medium6.2 | No fix yet |
| Aug 28 | IBM Langflow OSS: path traversal | High7.5 | No fix yet |
| Aug 28 | IBM Langflow OSS: information disclosure | High8.2 | No fix yet |
| Aug 28 | IBM Langflow OSS: improper authorization | Medium6.4 | No fix yet |
| Aug 28 | IBM Langflow OSS: privilege escalation | Critical9.9 | No fix yet |