What is CVE-2026-19303?

CVE-2026-19303 is a high-severity vulnerability, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-09-04.

How severe is CVE-2026-19303?

High severity. CVSS v3 base score is 8.1 out of 10.

CVE-2026-19303

CVE-2026-19303

IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to delete arbitrary local files or directories due to improper limitation of a pathname to a restricted directory.

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Weakness classification (CWE)

CWE-22 — Path Traversal

References

psirt@us.ibm.com

Frequently asked questions

What is CVE-2026-19303?: CVE-2026-19303 is a high-severity vulnerability, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-09-04.
How severe is CVE-2026-19303?: High severity. CVSS v3 base score is 8.1 out of 10.