Vulnerability · Published Oct 19, 2026 · Assigned by ibm

CVE-2026-6719IBM Concert Software Use of Insufficiently Random Values

High 7.5

In plain English

A high-severity weak randomness 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 0.3% (higher than 27% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.3%top 73.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

IBM Concert 1.0 through 3.0.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.

Affected products (as reported)

Vendor	Product	Versions
IBM	Concert	1.0.0 – through 3.0.0

Weakness: CWE-330 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

https://www.ibm.com/support/pages/node/7292374 vendor-advisory, patch