Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-19121— 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，由于授权机制存在缺陷，可能导致已认证的攻击者获取未授权访问权限。具体而言，系统未能充分将租户上下文与已认证用户进行验证比对，从而可能允许攻击者访问其他租户的资源。

CVSS 8.3 · High
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-19121

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

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 an authenticated attacker to gain unauthorized access due to improper authorization. Tenant context is not sufficiently verified against the authenticated user, which could allow access to another tenant's resources.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
使用欺骗进行的认证绕过
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-2026-19121

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-19121

请登录查看更多情报信息。

Other References for CVE-2026-19121 (1)

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-2026-17132 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17147 9.9 CRITICAL Multiple Vulnerabilities in IBM API Connect
CVE-2026-17298 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-290