What is CVE-2026-3626?

CVE-2026-3626 is a medium-severity vulnerability in IBM Concert, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2026-09-23.

How severe is CVE-2026-3626?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in IBM Concert

CVE-2026-3626

IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system.

Published 2026-09-23 · last modified 2026-09-23.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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-209 — Generation of Error Message Containing Sensitive Information

References

www.ibm.com/support/pages/node/7288830 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-3626?: CVE-2026-3626 is a medium-severity vulnerability in IBM Concert, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2026-09-23.
How severe is CVE-2026-3626?: Medium severity. CVSS v3 base score is 5.3 out of 10.