Vulnerability Details CVE-2026-105459
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow an attacker to gain unauthorized access to an organization due to improper verification of a cryptographic signature. A token is accepted without its signature being fully verified, which could allow an attacker to join an organization without a valid invitation.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 11.4%
CVSS Severity
CVSS v3 Score 6.8
References
Products affected by CVE-2026-105459
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cpe:2.3:a:ibm:api_connect:10.0.8.0
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cpe:2.3:a:ibm:api_connect:10.0.8.10
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cpe:2.3:a:ibm:api_connect:10.0.8.5