by Kastro
Paper/Archive/CVE-2026-13435

CVE-2026-13435

IBM Langflow OSS — Python Interpreter Sandbox Bypass Leading to Sensitive Data Exposure

EPSS 0.5%CVSS 9.9
critical.is priorityof 100
39
CVSS 9.9 (CNA)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 44.8.448 × 209.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

Affected

ProductAffectedFixed inSource
Langflow OSS1.0.0 – 1.10.1–CNA

Scores by source

ibm (CNA)9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

patchibm.com/support/pages/node/7279987