What is CVE-2025-12767?

CVE-2025-12767 is a medium-severity vulnerability in IBM Concert, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-09-22.

How severe is CVE-2025-12767?

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

Resource exhaustion in IBM Concert

CVE-2025-12767

IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to cause a denial of service using a specially crafted regular expression that would cause excessive resource consumption.

Published 2026-09-22.

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:N/I:N/A:L.

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-770 — Allocation of Resources Without Limits or Throttling

References

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

Frequently asked questions

What is CVE-2025-12767?: CVE-2025-12767 is a medium-severity vulnerability in IBM Concert, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-09-22.
How severe is CVE-2025-12767?: Medium severity. CVSS v3 base score is 5.3 out of 10.