10.0
CRITICAL CVSS 3.1
CVE-2026-10561
Unauthenticated Remote Code Execution in Langflow OSS PythonREPLComponent via Builtins Injection
Description

IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined with an authentication bypass that allows an unauthenticated attacker to execute arbitrary code on the host system, resulting in complete compromise

INFO

Published Date :

June 22, 2026, 1:22 p.m.

Last Modified :

June 22, 2026, 1:22 p.m.

Remotely Exploit :

Yes !

Source :

ibm
Affected Products

The following products are affected by CVE-2026-10561 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ibm langflow_oss
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL 9a959283-ebb5-44b6-b705-dcc2bbced522
CVSS 3.1 CRITICAL MITRE-CVE
Solution
Address authentication bypass and code execution by upgrading IBM Langflow.
  • Upgrade IBM Langflow to a patched version.
  • Apply vendor security updates promptly.
  • Review and harden access controls.
  • Monitor for unauthorized activity.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-10561 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.