Security
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CVE-2026-6721

CRITICALCVSS 9.8
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Description

IBM Concert 1.0.0 through 3.0.0 allows an unauthenticated remote attacker can supply specially crafted input that is incorporated into OS commands, resulting in arbitrary command execution on the underlying system. Successful exploitation allows remote code execution with the privileges of the affected application.

Timeline
Published:September 23rd, 2026 9:17 PM
Last modified:September 28th, 2026 8:45 PM
CVSS Scoring

CVSS v3: 9.8 (CRITICAL)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Software
From NVD CPE configuration data

Vendors

ibm

Products

concert
Weaknesses (CWE)
CWE-78
References & Reports
Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute