CVE-2026-16693— IBM i is Affected By Cryptographic Algorithm Weakness in DCM []
Quick assessment
Affected
IBM i
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 i 7.6、7.5、7.4 和 7.3 版本中，由于使用硬编码的加密常数来混淆加密密钥，可能允许经过身份验证的远程攻击者获取敏感信息。
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I. Basic Information for CVE-2026-16693
Vulnerability Information
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Vulnerability Title
IBM i is Affected By Cryptographic Algorithm Weakness in DCM []
Source: CVE Program / CVE List V5
Vulnerability Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to the use of hardcoded cryptographic constants to obfuscate encryption keys.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用已被攻破或存在风险的密码学算法
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-16693
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-16693 (1)
Same Patch Batch · IBM · 2026-09-04 · 64 CVEs total
| CVE-2026-18658 | 9.8 CRITICAL | IBM Operational Decision Manager for Aug 2026 - Multiple CVEs addressed |
| CVE-2026-19274 | 9.6 CRITICAL | IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent con |
| CVE-2026-19298 | 8.8 HIGH | Langflow is vulnerable to remote code execution due to authorization policy bypass in the |
| CVE-2026-18486 | 8.8 HIGH | IBM ContextForge MCP Gateway is affected by credential disclosure and privilege escalation |
| CVE-2026-19305 | 8.6 HIGH | Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL val |
| CVE-2026-77822 | 8.2 HIGH | IBM ContextForge MCP Gateway is affected by server-side request forgery (DNS rebinding) vi |
| CVE-2026-19303 | 8.1 HIGH | Langflow is vulnerable to arbitrary file write and arbitrary file deletion due to unvalida |
| CVE-2026-18221 | 8.1 HIGH | IBM i is Affected By Improper Authorization and Authentication Vulnerabilities in DDM / DR |
| CVE-2026-18175 | 8.1 HIGH | IBM i is Affected By Improper Authorization and Authentication Vulnerabilities in DDM / DR |
| CVE-2026-18905 | 7.7 HIGH | IBM ContextForge MCP Gateway is affected by server-side request forgery via DNS TOCTOU at |
| CVE-2026-19283 | 7.7 HIGH | IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent con |
| CVE-2026-19306 | 7.7 HIGH | Langflow is vulnerable to arbitrary local file read due to path traversal in ChatInput, bu |
| CVE-2026-19304 | 7.7 HIGH | Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL val |
| CVE-2026-81832 | 7.7 HIGH | IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable t |
| CVE-2026-19300 | 7.5 HIGH | Langflow is vulnerable to information disclosure due to cross-user MCP tool cache collisio |
| CVE-2026-18489 | 7.4 HIGH | IBM ContextForge Translate is affected by cross-client credential context confusion |
| CVE-2026-5522 | 6.7 MEDIUM | QRadar contains hard-coded credentials |
| CVE-2026-17207 | 6.5 MEDIUM | IBM i is Affected By Denial of Service Vulnerabilities in NFS [, ] |
| CVE-2026-17273 | 6.5 MEDIUM | IBM i is Affected By Multiple Vulnerabilities in Debug Server |
| CVE-2026-17622 | 6.5 MEDIUM | Langflow OSS is affected by arbitrary file read due to path traversal vulnerabilities in f |
Showing top 20 of 64 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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CVE-2026-17207
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Same vendor: IBM
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Vulnerabilities exists in IBM Cloud Pak for Data System -
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Same weakness: CWE-327
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Multiple security vulnerabilities are addressed with IBM Clo -
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Ceph: AES-CBC misuse in CephX and RADOSGW enables authentica -
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lin-snow Ech0 crypto.go MD5Encrypt risky encryption
V. Comments for CVE-2026-16693
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