Denial-of-Service Vulnerability in IBM i Integrated Language Environment Compiler
CVE-2026-6936

6.5MEDIUM

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
27 May 2026

What is CVE-2026-6936?

IBM i versions 7.3 through 7.6 are susceptible 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 that contains a unique combination of statements, potentially leading to service disruption. Organizations using affected versions should apply recommended patches to mitigate the risk.

Affected Version(s)

i 7.6 <= 11.5.9

i 7.5 <= 12.1.4

i 7.4

References

https://www.ibm.com/support/pages/node/7272908
vendor-advisorypatch

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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