cbcvebase.
CVE-2026-13435
published 2026-07-30

CVE-2026-13435: IBM Langflow OSS 1.0.0 through 1.10.1 contains an improper input validation vulnerability in the PythonREPL sandbox implementation.

PriorityP355critical9.9CVSS 3.1
AVNACLPRLUINSCCHIHAH
EPSS
0.29%
21.7th percentile
IBM Langflow OSS 1.0.0 through 1.10.1 contains an improper input validation vulnerability in the PythonREPL sandbox implementation.

Affected

2 ranges
VendorProductVersion rangeFixed in
ibmlangflow_oss1.0.0 – 1.10.1—
langflowlangflow>= 1.0.0 < 1.10.21.10.2
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.