CVE-2026-9077CWE-807

CVE-2026-9077

High · published August 5, 2026

CVSS v3.1
8.5
EPSS
0%
Percentile
36.9
In the wild
Unconfirmed
What it is

IBM Langflow OSS 1.0.0 through 1.10.3 Langflow allows remote authenticated attackers to bypass localhost-only restrictions and write arbitrary MCP server configurations to IDE configuration files on the host system.

The record
Technical detail
CVSS v3.1
8.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00437 · 36.9th percentile
Weakness
CWE-807 · Reliance on Untrusted Inputs in a Security Decision
Published
2026-08-05T21:16Z
Affected products (1)
ProductVersionsFixed in
langflow/langflow≥ 1.0.0, < 1.11.01.11.0
References (1)
https://www.ibm.com/support/pages/node/7282147 · [email protected]
EPSS history
Timeline
  • 05 AUG 16:24Z
    Reliance on Untrusted Inputs in a Security Decision vulnerabilities in Model Context Protocol features
    cvelistv5