CVE-2026-19303CWE-22path-traversal

CVE-2026-19303

High · published September 4, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
32.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00395 · 32.5th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-09-04T20:17Z
Affected products (1)
ProductVersionsFixed in
langflow/langflow≥ 1.0.0, < 1.11.31.11.3
References (1)
https://www.ibm.com/support/pages/node/7285643 · [email protected]
EPSS history
Timeline
  • 06 SEP 03:30Z
    EPSS moved — → 0%
    epss
  • 04 SEP 16:04Z
    Langflow is vulnerable to arbitrary file write and arbitrary file deletion due to unvalidated paths in file-processing components
    cvelistv5