critical
advisory
IBM API Connect: XML External Entity (XXE) injection (CVE-2026-16884)
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information due to an XML external entity (XXE) injection.
CVE search metadata
CVE search record: CVE-2026-16884. Severity: critical. CVSS: 9.9. KEV: no. Product: API Connect (12.1.0.0 through 12.1.1.2). Brief: IBM API Connect: XML External Entity (XXE) injection (CVE-2026-16884). Brief link: https://feed.craftedsignal.io/briefs/2026-11-ibm-api-connect-xxe/
Triage facts
Revision 1- Applicability
- API Connect (12.1.0.0 through 12.1.1.2)
- Evidence
- Unknown
- Severity
- Critical
- Sources
- 1 public source
- Freshness
- Revision 1Nov 7, 05:49 UTC
- Vulnerabilities
- 1 CVE
- Source quality
- A2Roughly even chance
IBM API Connect versions 12.1.0.0 through 12.1.1.2 are susceptible to an XML external entity (XXE) injection. This vulnerability could allow a remote attacker to obtain sensitive information.