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CVE-2026-6936— IBM i is Affected by a Denial of Service Vulnerability []

CVSS 6.5 · Medium EPSS 0.05% · P15

Affected Version Matrix 4

VendorProductVersion RangeStatus
IBMi7.6≤ 11.5.9affected
7.5≤ 12.1.4affected
7.4affected
7.3affected
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I. Basic Information for CVE-2026-6936

Vulnerability Information
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Vulnerability Title
IBM i is Affected by a Denial of Service Vulnerability []
Source: NVD (National Vulnerability Database)
Vulnerability Description
IBM i 7.6, 7.5, 7.4, and 7.3 s vulnerable to a denial-of-service attack due to uncontrolled recursion in the Integrated Language Environment (ILE) compiler. An authenticated attacker could exploit this vulnerability by compiling specially crafted source code containing a specific combination of statements.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的递归
Source: NVD (National Vulnerability Database)
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、7.5版本、7.4版本和7.3版本存在安全漏洞，该漏洞源于集成语言环境编译器中存在不受控制的递归，可能导致经过身份验证的攻击者编译特制源代码造成拒绝服务攻击。
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

VendorProductAffected VersionsCPESubscribe
IBMi 7.6 ~ 11.5.9 cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-6936

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III. Intelligence Information for CVE-2026-6936

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Vendor Advisories for CVE-2026-6936 (1)

Same Patch Batch · IBM · 2026-05-27 · 29 CVEs total

CVE-2026-75249.8 CRITICALPath Traversal Vulnerability in File Processing Components Allows Unauthorized File System
CVE-2026-81759.8 CRITICALMultiple vulnerabilities in Aspera applications.
CVE-2026-50658.8 HIGHIBM Controller is affected by vulnerabilities
CVE-2026-81798.8 HIGHMultiple vulnerabilities in Aspera applications.
CVE-2026-73658.4 HIGHIBM Operations Analytics - Log Analysis is affected by Information disclosure due to defau
CVE-2026-36237.8 HIGHVulnerabilities exists in IBM Netezza Performance Server Replication Services
CVE-2026-33667.5 HIGHInfoSphere Optim Test Data Fabrication is affected by Arbitrary File Read
CVE-2026-81807.5 HIGHMultiple vulnerabilities in Aspera applications.
CVE-2024-564627.2 HIGHIBM QRadar SIEM is vulnerable to using components with known vulnerabilities
CVE-2026-17187.1 HIGHIBM® Db2® is vulnerable to a denial of service with a specially crafted query when running
CVE-2026-75287.1 HIGHUnauthenticated File Upload Vulnerability Allows Disk Space Exhaustion and Path Disclosure
CVE-2026-84056.5 MEDIUMIBM Guardium Data Protection is affected by Exposure of Sensitive Information vulnerabilit
CVE-2026-90356.5 MEDIUMMultiple vulnerabilities in Aspera applications.
CVE-2026-69386.5 MEDIUMIBM® Db2® is vulnerable to authorization bypass when uploading to a remote object storage
CVE-2026-60526.5 MEDIUMIBM® Db2® is vulnerable to running out of memory when executing certain queries with MDC t
CVE-2026-36766.5 MEDIUMThere are multiple vulnerabilities in IBM DB2 bundled with IBM Application Performance Man
CVE-2024-406845.9 MEDIUMIBM Operations Analytics - Log Analysis is affected by Weak Password Policy and Inadequate
CVE-2026-60535.5 MEDIUMIBM® Db2® is vulnerable to a denial of service when a specially crafted query is run with
CVE-2026-60515.5 MEDIUMIBM® Db2® is vulnerable to a denial of service when executing a specially crafted query wi
CVE-2026-55155.5 MEDIUMIBM App Connect Enterprise is vulnerable to a confidential disclosure

Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: i
Same vendor: IBM
Same weakness: CWE-674

V. Comments for CVE-2026-6936

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