What is CVE-2026-10561?

CVE-2026-10561 is a critical-severity vulnerability in Ibm Langflow Oss, classified under Code Injection. CVSS score: 10.0/10. Published 2026-06-22.

How severe is CVE-2026-10561?

Critical severity. CVSS v3 base score is 10.0 out of 10.

RCE in Ibm Langflow Oss

CVE-2026-10561

IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined with an authentication bypass that allows an unauthenticated attacker to execute arbitrary code on the host system, resulti…

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Ibm Langflow Oss — versions 1.0.0

Weakness classification (CWE)

CWE-94 — Code Injection

References

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

Frequently asked questions

What is CVE-2026-10561?: CVE-2026-10561 is a critical-severity vulnerability in Ibm Langflow Oss, classified under Code Injection. CVSS score: 10.0/10. Published 2026-06-22.
How severe is CVE-2026-10561?: Critical severity. CVSS v3 base score is 10.0 out of 10.