CVE-2026-107674

IBM i is Affected by a Denial of Service in Digital Certificate Manager

Published Oct 16, 2026 CVSS 3.1 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
IBM i 7.3, 7.4, 7.5, and 7.6 is vulnerable to a denial of service to Digital Certificate Manager (DCM) for System TLS using applications attempting to create secure network connections. A bad actor could use this to prevent a service from starting or cause it to fallback to non-secure connections.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now. IBM i Release5770-SS1 Option 34 PTF Number(s)PTF Download Link(s)7.6SJ11846 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11846 7.5SJ11845 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11845 7.4SJ11844 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11844 7.3SJ11843 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11843 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
Metrics ssvc

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

Type Values Removed Values Added
Description IBM i 7.3, 7.4, 7.5, and 7.6 is vulnerable to a denial of service to Digital Certificate Manager (DCM) for System TLS using applications attempting to create secure network connections. A bad actor could use this to prevent a service from starting or cause it to fallback to non-secure connections.
Title IBM i is Affected by a Denial of Service in Digital Certificate Manager
First Time appeared Ibm
Ibm i
Weaknesses CWE-667
CPEs cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm i
References
Metrics cvssV3_1

{'score': 5.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Oct 19, 2026, 2:55 PM
Reserved
Oct 8, 2026, 3:07 PM
Status
Analyzed
Published
Oct 16, 2026, 7:17 PM
Modified
Oct 23, 2026, 4:05 PM