🛡️ CVE-2026-9077 — langflow

🟠 CVSS 8.5 — High ✅ No Known Exploit CWE-807 NVD
8.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity high, availability none.

Affected software

CVE-2026-9077 is recorded against 1 package.

  • langflow (from 1.0.0 up to 1.11.0)

Timeline and source

Published on 5 August 2026 and last revised on 6 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.ibm.com

Details

Severity HIGH
CVSS Score 8.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
CWE CWE-807
Public Exploit ✅ No
Source NVD
Published 2026-08-05
Updated 2026-08-11
Modified 2026-08-06
Fix URL N/A

Affected Packages

Software From version Fixed in
langflow 1.0.0 1.11.0

Similar Threats

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