What is CVE-2026-104331?

CVE-2026-104331 is a medium-severity vulnerability in IBM Langflow Oss, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.4/10. Published 2026-10-29.

How severe is CVE-2026-104331?

Medium severity. CVSS v3 base score is 5.4 out of 10.

SSRF in IBM Langflow Oss

CVE-2026-104331

IBM Langflow OSS 1.0.0 through 1.12.3 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2026-10-29 · last modified 2026-10-29.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

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-918 — Server-Side Request Forgery (SSRF)

References

www.ibm.com/support/pages/node/7293015 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-104331?: CVE-2026-104331 is a medium-severity vulnerability in IBM Langflow Oss, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.4/10. Published 2026-10-29.
How severe is CVE-2026-104331?: Medium severity. CVSS v3 base score is 5.4 out of 10.