What is CVE-2026-17632?

CVE-2026-17632 is a high-severity vulnerability in IBM Langflow Oss, classified under Code Injection. CVSS score: 8.8/10. Published 2026-08-05.

How severe is CVE-2026-17632?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in IBM Langflow Oss

CVE-2026-17632

IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary code due to improper validation of Python code during AST-based security scanning.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.006 (47.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ibm Langflow Oss — versions 1.0.0
Langflow

Weakness classification (CWE)

CWE-94 — Code Injection

References

psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-17632?: CVE-2026-17632 is a high-severity vulnerability in IBM Langflow Oss, classified under Code Injection. CVSS score: 8.8/10. Published 2026-08-05.
How severe is CVE-2026-17632?: High severity. CVSS v3 base score is 8.8 out of 10.