CVE-2026-6936

IBM i is Affected by a Denial of Service Vulnerability []

Published May 27, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

IBM i Release5770-999 PTF Number(s)PTF Download Link(s)7.6MJ09365 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09365 7.5MJ09335 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09335 7.4MJ09334 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09334 7.3MJ09332 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ09332 IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:i:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:i:-:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title IBM i is Affected by a Denial of Service Vulnerability []
First Time appeared Ibm
Ibm i
Weaknesses CWE-674
CPEs cpe:2.3:a:ibm:i:7.3.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm i
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
May 27, 2026, 3:30 PM
Reserved
Apr 23, 2026, 7:11 PM
Status
Analyzed
Published
May 27, 2026, 2:17 PM
Modified
Oct 14, 2026, 8:10 PM