What is CVE-2026-97655?

CVE-2026-97655 is a high-severity vulnerability in IBM Langflow Oss, classified under Code Injection. CVSS score: 8.8/10. Published 2026-10-07.

How severe is CVE-2026-97655?

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

RCE in IBM Langflow Oss

CVE-2026-97655

IBM Langflow OSS 1.0.0 through 1.12.2 could allow a remote attacker to execute arbitrary code due to an incomplete blocklist in the code security scanner.

Vulnerability class: RCE (Remote Code Execution)

Published 2026-10-07 · last modified 2026-10-07.

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.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

IBM Langflow Oss

Weakness classification (CWE)

CWE-94 — Code Injection

References

www.ibm.com/support/pages/node/7290694 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-97655?: CVE-2026-97655 is a high-severity vulnerability in IBM Langflow Oss, classified under Code Injection. CVSS score: 8.8/10. Published 2026-10-07.
How severe is CVE-2026-97655?: High severity. CVSS v3 base score is 8.8 out of 10.