API CONNECT V12 ONPREM · CVE-2026-17356 · Infrastructure
FIX → 12.1.1.3 ✓ verified
IBM API Connect versions 12.1.0.0 through 12.1.1.2 contain a hard-coded cryptographic key. A local attacker who can read the software can use that key to obtain sensitive information.
first public Nov 7, 2026 · 2 sources
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Teams running self-managed IBM API Connect V12 OnPrem 12.1.0.0 through 12.1.1.2. IBM describes a hard-coded cryptographic key that a local attacker could use to obtain sensitive information, though its CVSS vector is network-based with high complexity, so treat it as reachable. Teams on 12.1.1.3 or later, or on the 10.0.8 line, can skip it.
Not affected if version-outside-range
Who cares ibm-api-connect, self-hosted
v12.1.0.0 through v12.1.1.2v12.1.1.310.0.8 line is not listed for this CVE in IBM's bulletinIBM API Connect 12.1.0.0 through 12.1.1.2 could allow a local attacker to obtain sensitive information due to the use of a hard-coded cryptographic key.
This page as .md · .json · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
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10.0.8Upgrade to 12.1.1.3
v12.1.1.3 (Fix Central: https://www.ibm.com/support/pages/node/7290205)