API CONNECT V12 ONPREM · CVE-2026-75590 · Vendor
FIX → 12.1.1.3 ✓ verified
IBM API Connect versions 12.1.0.0 through 12.1.1.2 contain a server-side request forgery flaw, where a protection against requests to internal addresses can be bypassed. A remote attacker can make the server contact internal services and receive part of their responses.
first public Nov 7, 2026 · 2 sources
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Teams running self-hosted IBM API Connect V12 (on-prem) versions 12.1.0.0 through 12.1.1.2. IBM scores it as exploitable over the network without credentials or user interaction: the protection that blocks requests to internal addresses can be bypassed, so the server can be made to contact internal services and return part of their responses. Other versions are not listed for this CVE in IBM's bulletin.
Not affected if other-versions
Who cares api-gateway, ibm-api-connect, self-hosted, ssrf
v12.1.0.0 through v12.1.1.2 are affected; v12.1.1.3 contains the fixIBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to access internal network resources and obtain sensitive information due to server-side request forgery. A protection that blocks requests to internal addresses can be bypassed, so the server could be made to contact internal services and return part of their responses.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
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Upgrade to 12.1.1.3
v12.1.1.3 (Fix Central: https://www.ibm.com/support/pages/node/7290205)