CVE-2026-17355

EUVD-2026-118740
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information from internal network resources due to server-side request forgery. Destination checks on outbound requests can be bypassed, which could allow the server to reach internal systems that should be blocked.
SSRF
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
ibmCNA
8.2 HIGH
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 30.8%
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
Common Weakness Enumeration
References
https://www.ibm.com/support/pages/node/7295635