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CVE-2026-18689— Multiple Vulnerabilities in IBM API Connect

Quick assessment

Affected
IBM API Connect
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM API Connect 10.0.8.0 至 10.0.8.12 版本，以及 12.1.0.0 至 12.1.1.2 版本，可能因授权机制错误，允许已认证用户获取其他组织的有限信息。本应仅限特定用途使用的令牌，在不应被接受的场景下被错误接受，从而可能泄露其他组织的名称。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-18689

Vulnerability Information
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Vulnerability Title
Multiple Vulnerabilities in IBM API Connect
Source: CVE Program / CVE List V5
Vulnerability Description
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow an authenticated user to obtain limited information about other organizations due to incorrect authorization. A token issued for a limited purpose is accepted where it should not be, which could reveal the names of other organizations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM API Connect 12.1.0.0 ~ 12.1.1.2 cpe:2.3:a:ibm:api_connect:12.1.0.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18689

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III. Intelligence Information for CVE-2026-18689

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Other References for CVE-2026-18689 (2)

Same Patch Batch · IBM · 2026-11-07 · 209 CVEs total

CVE-2026-17336 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17399 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17392 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17402 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-16884 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-16920 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17049 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17359 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17354 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17410 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17342 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17117 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17239 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17158 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17150 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17298 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17147 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17132 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17146 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17134 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect

Showing top 20 of 209 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: API Connect
Same vendor: IBM
Same weakness: CWE-863