10.0
CRITICAL CVSS 3.1
CVE-2026-10134
Unauthenticated Server-Side RCE via PythonCodeStructuredTool in Public Flows
Description

IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read and modify every flow, conversation, message, file upload, and saved component in the Langflow database, can connect to internal services, abuse cloud metadata endpoints, laterally move to other tenants on the same Langflow instance, and Establish persistence by modifying the public flow's `tool_code` so normal `/api/v1/build/...` calls by any user re-execute attacker code at each build.

INFO

Published Date :

June 30, 2026, 7:56 p.m.

Last Modified :

June 30, 2026, 7:56 p.m.

Remotely Exploit :

Yes !

Source :

ibm
Affected Products

The following products are affected by CVE-2026-10134 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
Solution
Update Langflow to the latest version to fix security vulnerabilities.
  • Update Langflow to the latest version.
  • Review and audit all flows and components.
  • Restrict access to sensitive data.
  • Monitor for suspicious 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-2026-10134 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.