CVE-2026-105459

EUVD-2026-118912
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow an attacker to gain unauthorized access to an organization due to improper verification of a cryptographic signature. A token is accepted without its signature being fully verified, which could allow an attacker to join an organization without a valid invitation.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
ibmCNA
6.8 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 11.39%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
ibmapi_connect
12.1.0.0 ≤
𝑥
≤ 12.1.1.2
CNA
ibmapi_connect
10.0.8.0 ≤
𝑥
≤ 10.0.8.12
CNA
Common Weakness Enumeration
References
https://www.ibm.com/support/pages/node/7295635
https://www.ibm.com/support/pages/node/7295637