IBMCVE-2026-18891
IBM Langflow OSS: information disclosure
High8.2CVE-2026-18891 · Published Aug 28, 2026 · updated Aug 31, 2026
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary flows and access sensitive information due to improper authentication.
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:L/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-287
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: remote code execution | Critical9.8 | No fix yet |
| Aug 28 | IBM Langflow OSS: improper authorization | Medium6.4 | No fix yet |