CVE-2026-3303

Low

Description

IBM Concert 1.0 through 3.0.0 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.

SeverityLow
CVSS3.7
Exploit probability—
ProductIbm Concert
PublishedOct 19, 2026
First seenOct 19, 2026
Weakness typeCWE-942CWE-942

How to fix

Affected products

ProductAffected versionsFixed in
ibm concert1.0.0 ≤ v ≤ 3.0.0—

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