Read the docs
TI-2026-86362 Aliases CVE-2026-17379GHSA-x9jx-fmjq-qpqq

Authentication bypass in IBM API Connect via signature verification flaw

Priority LOW 32CWE-347Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-347.

Summary

IBM API Connect versions 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 are affected. Improper verification of cryptographic signatures (CWE-347) lets a remote attacker bypass authentication and assign arbitrary roles. The attack is hard to carry out, and no user interaction or prior privileges are needed.

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

Description from the CNA

IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote attacker to bypass authentication and assign arbitrary roles due to improper verification of cryptographic signatures.

Why it matters now

EPSS 0.00342 27th 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; 10.0.8.0 – 10.0.8.12—No fix listedCNA
  • API Connect VendorIBM Affected 12.1.0.0 – 12.1.1.2; 10.0.8.0 – 10.0.8.12 Fixed in — No fix listed CNA

CPE names CNA · 4

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:10.0.8.0:*:*:*:*:*:*:*10.0.8.0—IBM
cpe:2.3:a:ibm:api_connect:10.0.8.12:*:*:*:*:*:*:*10.0.8.12—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
  • cpe:2.3:a:ibm:api_connect:10.0.8.0:*:*:*:*:*:*:* Versions 10.0.8.0 — ·IBM
  • cpe:2.3:a:ibm:api_connect:10.0.8.12:*:*:*:*:*:*:* Versions 10.0.8.12 — ·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 →
  • Advisory ·

    IBM API Connect — ibm.com/support/pages/node/7295637

    135 records Highest priority Priority MEDIUM 23 MEDIUM, 112 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 135 records → Advisory →

Timeline

  1. 2026-11-07 Threatist record created from CVE-2026-17379
  2. 2026-11-07 Alias added: GHSA-x9jx-fmjq-qpqq
  3. 2026-11-08 Priority changed: MEDIUM → LOW

References

Patch 2

  • 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