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6.4 Medium

CVE-2026-17303 Multiple Vulnerabilities in IBM API Connect

Description

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.

CVSS 3.1 detail

Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Exploitable remotely over the network, with an ordinary account and without any user action; the impact on data or service is limited.

Attack vector
Network
Attack complexity
Low
Privileges required
Low
Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Affected products and versions

Product Affected versions Fixed in
API Connect 12.1 12.1.0.0 → 12.1.1.2 No fix stated
API Connect 10.0 10.0.8.0 → 10.0.8.12 No fix stated

Other CVEs of API Connect

The 286 CVEs of API Connect →
CVE-2026-18535 IBM API Connect Denial of Service 9.6 Critical CVE-2026-19124 Multiple Vulnerabilities in IBM API Connect 6.8 Medium CVE-2026-17393 Multiple Vulnerabilities in IBM API Connect 5.1 Medium CVE-2026-17386 Multiple Vulnerabilities in IBM API Connect 8.1 High
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