---
id: "CVE-2026-16715"
page: "https://infrastack.ai/live/CVE-2026-16715"
kind: "vulnerability"
aliases: ["CVE-2026-16715"]
title: "IBM API Connect: authenticated users can read other tenants' data"
severity: "high"
cvss: 7.7
epss: null
exploited: false
status: "open"
category: "vendor"
products: [{"name": "IBM API Connect", "fixed": ["10.0.8.13"], "affected": ">= 10.0.8.0, <= 10.0.8.12", "ecosystem": "vendor"}, {"name": "IBM API Connect V12 OnPrem", "fixed": ["12.1.1.3"], "affected": ">= 12.1.0.0, <= 12.1.1.2", "ecosystem": "vendor"}]
ecosystems: []
tags: ["api-gateway", "auth-required", "ibm-api-connect", "multi-tenant", "self-hosted", "vendor"]
not_affected_if: ["no-untrusted-accounts", "single-tenant", "unaffected-version"]
published_at: "2026-11-07T05:18:20+00:00"
first_seen_at: "2026-11-07T05:45:57+00:00"
updated_at: "2026-11-07T06:27:22+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-16715", "first_seen_at": "2026-11-07T05:45:57+00:00"}, {"source": "analyst", "url": "https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-41", "first_seen_at": "2026-11-07T06:27:22+00:00", "cites": ["https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-41", "https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39"]}]
exploit_sources: []
---

# IBM API Connect: authenticated users can read other tenants' data

Link for people: https://infrastack.ai/live/CVE-2026-16715 (this .md is for agents)

IBM API Connect versions 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 fail to check object ownership, so a logged-in user can read sensitive information belonging to other tenants. The attacker needs a valid account on the affected platform, and the flaw is reachable over the network.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:IBM API Connect affected >= 10.0.8.0, <= 10.0.8.12 fixed 10.0.8.13
- vendor:IBM API Connect V12 OnPrem affected >= 12.1.0.0, <= 12.1.1.2 fixed 12.1.1.3

## How to check

Find your API Connect version (admin/Cloud Manager about page or your deployment's version info) and compare: affected are 10.0.8.0 to 10.0.8.12 and 12.1.0.0 to 12.1.1.2. Fixed: 10.0.8.13 and 12.1.1.3. Any tenant with a valid user account is a potential attacker, so multi-tenant setups matter most.

## Fix

Upgrade to 10.0.8.13 (10.0.8 line) or v12.1.1.3 (v12 line). IBM lists no workarounds.

## Timeline

- 2026-11-07T05:45:57+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-16715
- 2026-11-07T06:27:22+00:00 analyst https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-41 — Confirmed in two IBM bulletins (…-api-connect-41 for 10.0.8.13, …-api-connect-39 for v12.1.1.3): CWE-639 BOLA, CVSS 7.7, no workarounds. No exploitation or PoC found; not searched on X (B tier).

## Documents

- [advisory] IBM Security Bulletin: Multiple Vulnerabilities in IBM API Connect (10.0.8.13) https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-41
- [advisory] IBM Security Bulletin: Multiple Vulnerabilities in IBM API Connect (v12.1.1.3) https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-api-connect-39

## From the sources

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 authenticated attacker to obtain sensitive information from other tenants due to broken object-level authorization.

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