CVE-2026-19298

CVE-2026-19298

IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to execute arbitrary code due to an authorization bypass in the flow build process.

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-19298?
CVE-2026-19298 is a high-severity vulnerability, classified under Code Injection. CVSS score: 8.8/10. Published 2026-09-04.
How severe is CVE-2026-19298?
High severity. CVSS v3 base score is 8.8 out of 10.