| Component | Langflow |
| Severity | medium (CVSS 4.3) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| Published (NVD) | 2026-10-07 |
| Last modified | 2026-10-08 |
| Affected versions | langflow >= 1.0.0, < 1.12.3 |
| Fixed in | 1.12.3 |
| Weakness | CWE-400 |
| CISA KEV | not listed |
NVD description
IBM Langflow OSS 1.0.0 through 1.12.2 could allow a remote authenticated attacker to cause a denial of service due to uncontrolled resource consumption during ZIP file extraction.
What to do
- Upgrade Langflow to
1.12.3or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
Read more
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