CVSS 8.5 (high) · published 2026-11-07
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 create unauthorized user accounts due to improper verification of cryptographic signatures. Identity information from a login provider is accepted without its signature being fully verified, so forged identity data could be used to create accounts.
Affected products (NVD): ibm api_connect
Fixed in (NVD): 10.0.8.13, 12.1.1.3
Weakness: CWE-290
Source: NVD CVE-2026-17290
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