What is CVE-2026-4413?

CVE-2026-4413 is a medium-severity vulnerability in IBM Concert, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-10-19.

How severe is CVE-2026-4413?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in IBM Concert

CVE-2026-4413

IBM Concert 1.0 through 3.0.0 is vulnerable to cross-site scripting. This vulnerability allows an unauthenticated attacker to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-19 · last modified 2026-10-19.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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 Concert

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.ibm.com/support/pages/node/7292374 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-4413?: CVE-2026-4413 is a medium-severity vulnerability in IBM Concert, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-10-19.
How severe is CVE-2026-4413?: Medium severity. CVSS v3 base score is 6.1 out of 10.