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high advisory

IBM API Connect: Cross-tenant sensitive information disclosure (CVE-2026-16854)

IBM API Connect versions 12.1.0.0 through 12.1.1.2 contain an injection vulnerability that may allow a remote authenticated attacker to obtain sensitive information belonging to other tenants.

CVE search metadata

CVE search record: CVE-2026-16854. Severity: high. CVSS: 7.7. KEV: no. Product: IBM API Connect 12.1.0.0 through 12.1.1.2 (12.1.0.0-12.1.1.2). Brief: IBM API Connect: Cross-tenant sensitive information disclosure (CVE-2026-16854). Brief link: https://feed.craftedsignal.io/briefs/2026-11-ibm-api-connect-injection/

Triage facts

Revision 1
Applicability
IBM API Connect 12.1.0.0 through 12.1.1.2 (12.1.0.0-12.1.1.2)
Evidence
Unknown
Severity
High
Sources
1 public source
Freshness
Revision 1Nov 7, 06:01 UTC
Vulnerabilities
1 CVE
Source quality
A2Roughly even chance