Vulnerability Details CVE-2026-17303
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to access internal network resources due to improper validation of a user-supplied URL. The address is not sufficiently restricted, which could allow the server to contact internal systems.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 21.9%
CVSS Severity
CVSS v3 Score 6.4
References
Products affected by CVE-2026-17303
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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