๐Ÿ” CVE Alert

CVE-2026-13435

CRITICAL 9.9

Python Interpreter Sandbox Bypass Leading to Sensitive Data Exposure

CVSS Score
9.9
EPSS Score
0.0%
EPSS Percentile
0th

IBM Langflow OSS 1.0.0 through 1.10.1 contains an improper input validation vulnerability in the PythonREPL sandbox implementation.

CWE CWE-94
Vendor ibm
Product langflow oss
Published Jul 30, 2026
Last Updated Jul 30, 2026
Stay Ahead of the Next One

Get instant alerts for ibm langflow oss

Be the first to know when new critical vulnerabilities affecting ibm langflow oss are published โ€” delivered to Slack, Telegram or Discord.

Get Free Alerts โ†’ Free ยท No credit card ยท 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

IBM / Langflow OSS
1.0.0 โ‰ค 1.10.1

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
ibm.com: https://www.ibm.com/support/pages/node/7279987