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TI-2026-86221 Aliases CVE-2026-16920GHSA-v94c-jw5j-6c9g

Confused deputy flaw in IBM API Connect allows security bypass

Priority MEDIUM 43CWE-441Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

IBM API Connect versions 12.1.0.0 through 12.1.1.2 contain a confused deputy flaw (CWE-441), where the product acts as an intermediary for requests it should not forward. A remote attacker with low-privileged authentication can bypass security restrictions, with high impact to confidentiality, integrity and availability and a scope change.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Description from the CNA

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to bypass security restrictions due to a confused deputy vulnerability.

Why it matters now

EPSS 0.00528 44th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMAPI Connect12.1.0.0 – 12.1.1.2—No fix listedCNA
  • API Connect VendorIBM Affected 12.1.0.0 – 12.1.1.2 Fixed in — No fix listed CNA

CPE names CNA · 2

CPEVersionsRoleVendor
cpe:2.3:a:ibm:api_connect:12.1.0.0:*:*:*:*:*:*:*12.1.0.0—IBM
cpe:2.3:a:ibm:api_connect:12.1.1.2:*:*:*:*:*:*:*12.1.1.2—IBM
  • cpe:2.3:a:ibm:api_connect:12.1.0.0:*:*:*:*:*:*:* Versions 12.1.0.0 — ·IBM
  • cpe:2.3:a:ibm:api_connect:12.1.1.2:*:*:*:*:*:*:* Versions 12.1.1.2 — ·IBM

Remediation

The sources list no fixed version for IBM API Connect.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    IBM API Connect — ibm.com/support/pages/node/7295635

    203 records Highest priority Priority MEDIUM 45 MEDIUM, 158 LOW

    Other records, highest priority first

    • TI-2026-86389 Improper case sensitivity handling in IBM API Connect exposes admin operationsPriority MEDIUM 47
    • TI-2026-86382 OS command injection in IBM API Connect allows remote command executionPriority MEDIUM 46
    • TI-2026-86388 OS command injection in IBM API Connect lets remote attackers run codePriority MEDIUM 44
    Show all 203 records → Advisory →

Timeline

  1. 2026-11-07 Threatist record created from CVE-2026-16920
  2. 2026-11-07 Alias added: GHSA-v94c-jw5j-6c9g

References

Patch 1

  • TI-2026-08085 Unauthenticated Remote Code Execution via Auto-Login Bypass and Code Validation KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-23774 IBM Aspera Faspex code execution KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-03794 Improper authentication in IBM Data Risk Manager KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-03441 Code injection in IBM Planning Analytics KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-03639 Improper handling of exceptional conditions in Apache Struts KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-06198 Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT… KEVCVSS 3.1CRITICAL 9.8
See all 9711 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences