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CVE-2026-6327— Multiple Vulnerabilities in IBM Concert Software

Quick assessment

Affected
IBM Concert
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM Concert 1.0.0 through 3.0.0 could allow an unauthorized user to inject data into log messages due to improper neutralization of special elements when written to log files.

CVSS 4.3 · Medium
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I. Basic Information for CVE-2026-6327

Vulnerability Information

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Vulnerability Title
Multiple Vulnerabilities in IBM Concert Software
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Concert 1.0.0 through 3.0.0 could allow an unauthorized user to inject data into log messages due to improper neutralization of special elements when written to log files.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
日志输出的转义处理不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM Concert 1.0.0 ~ 3.0.0 cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-6327

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III. Intelligence Information for CVE-2026-6327

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Same Patch Batch · IBM · 2026-09-23 · 16 CVEs total

CVE-2026-18872 9.3 CRITICAL IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-18490 8.8 HIGH IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-19179 8.2 HIGH IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-18181 8.1 HIGH IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-18184 7.4 HIGH IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-18875 7.3 HIGH IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-18185 7.3 HIGH IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-18177 7.1 HIGH IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-18180 6.5 MEDIUM IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-18179 6.5 MEDIUM IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-19267 6.2 MEDIUM IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-18505 5.4 MEDIUM IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-3626 5.3 MEDIUM Multiple Vulnerabilities in IBM Concert Software
CVE-2026-19087 4.4 MEDIUM IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-4921 2.7 LOW IBM Guardium Data Protection is affected by multiple vulnerabilities.

IV. Related Vulnerabilities

Same product: Concert
Same vendor: IBM
Same weakness: CWE-117

V. Comments for CVE-2026-6327

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