CVE-2025-27909: IBM Concert Software 1.0.0 through 1.1.0 uses cross-origin resource sharing (CORS) which could allow an attacker to carry out privileged actions as the domain…

PriorityP346critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

0.20%

9.7th percentile

IBM Concert Software 1.0.0 through 1.1.0 uses cross-origin resource sharing (CORS) which could allow an attacker to carry out privileged actions as the domain name is not being limited to only trusted domains.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
ibm	concert	>= 1.0.0 < 2.0.0	2.0.0
ibm	concert_software	1.0.0 – 1.1.0	—

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