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9.8

IBM Concert may let attackers crash or take control

CVE-2026-6928 · published 18 days ago
Summary

Versions 1.0.0 through 3.0.0 of IBM Concert can mishandle memory, which could let a malicious user cause the program to stop working or run their own code. This risk appears when an attacker can influence what the program does or supply crafted input. Apply any available updates or patches and restrict who can run or interact with the software.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm concert <= 3.0.0
Original advisory text
Multiple Vulnerabilities in IBM Concert Software
IBM Concert 1.0.0 through 3.0.0 references or accesses memory after it has been freed. This allows an attacker who can influence program execution or input may exploit this condition to corrupt memory, cause application crashes, or execute arbitrary code.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.8 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-416Use After Free
Timeline
Published23 Sep 2026
Updated11 Oct 2026
First seen23 Sep 2026
Sources
CVE-2026-6928 · NVD
CVE-2026-6928 · MITRE
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