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CVE-2026-17202— 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 12.1.0.0 至 12.1.1.2 版本中，由于响应行为存在可观察的差异，可能导致远程攻击者枚举用户名。

CVSS 5.3 · Medium EPSS 0.40% · P35

Possible ATT&CK Techniques 1 AI

T1087 · Account Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
IBM API Connect 12.1.0.0≤ 12.1.1.2 affected
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I. Basic Information for CVE-2026-17202

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 12.1.0.0 through 12.1.1.2 could allow a remote attacker to enumerate usernames due to observable differences in response behavior.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
响应差异性信息暴露
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-2026-17202

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III. Intelligence Information for CVE-2026-17202

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Other References for CVE-2026-17202 (1)

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

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

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

IV. Related Vulnerabilities

Same product: API Connect
Same vendor: IBM
Same weakness: CWE-204