CVE-2026-1376— IBM i Denial of Service
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是美国国际商业机器（IBM）公司的一套运行在IBM Power Systems和IBM PureSystems中的操作系统。 IBM i 7.6版本存在安全漏洞，该漏洞源于资源分配不当，可能导致远程攻击者利用失败的身份验证连接造成拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-1376
Vulnerability Information
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Vulnerability Title
IBM i Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
IBM i 7.6 could allow a remote attacker to cause a denial of service using failed authentication connections due to improper allocation of resources.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
IBM i 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM i是美国国际商业机器（IBM）公司的一套运行在IBM Power Systems和IBM PureSystems中的操作系统。 IBM i 7.6版本存在安全漏洞，该漏洞源于资源分配不当，可能导致远程攻击者利用失败的身份验证连接造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-1376
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-1376 (1)
Same Patch Batch · IBM · 2026-03-17 · 6 CVEs total
| CVE-2025-14031 | 7.5 HIGH | IBM Sterling B2B Integrator and IBM Sterling File Gateway Denial of Service |
| CVE-2026-1264 | 7.1 HIGH | IBM Sterling B2B Integrator and IBM Sterling File Gateway Improper Access Controls |
| CVE-2026-1267 | 6.5 MEDIUM | IBM Planning Analytics Information Disclosure |
| CVE-2025-14806 | 5.7 MEDIUM | IBM Planning Analytics Information Disclosure |
| CVE-2026-3856 | 5.3 MEDIUM | IBM Db2 Recovery Expert Missing Integrity Check |
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Same weakness: CWE-770
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V. Comments for CVE-2026-1376
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