CVE-2026-19298CWE-94code-injection

CVE-2026-19298

High · published September 4, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
42.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00501 · 42.0th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
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/7285640 · [email protected]
EPSS history
Timeline
  • 06 SEP 03:30Z
    EPSS moved — → 0%
    epss
  • 04 SEP 16:05Z
    Langflow is vulnerable to remote code execution due to authorization policy bypass in the authenticated flow-build endpoint
    cvelistv5