Vulnerability · Published Sep 22, 2026 · Assigned by ibm

CVE-2026-17465Multiple Vulnerabilities in IBM Concert Software

Medium 6.5

In plain English

A medium-severity uncontrolled resource consumption in Concert from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.5%top 56.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

IBM Concert 1.0.0 through 3.0.0 could allow a remote authenticated attacker to cause a denial of service due to improper enforcement of storage limits.

Affected products (as reported)

Vendor	Product	Versions
IBM	Concert	1.0.0 – through 3.0.0

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

https://www.ibm.com/support/pages/node/7288830 vendor-advisory, patch