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

published 2026-10-16 23 d ago modified 2026-10-23 16 d ago also EUVD-2026-103018

cvss: 5.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 0%
public exploits: 0; none known

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.

Patch / fix

links 1

ibm.com/support/pages/node/7292225 advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 20 d ago (2026-10-19)

Exploit prediction

0.06% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.1	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H
NVD	3.1	4.4	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected products

IBM i

Classification

Weakness

CWE-667 Improper Locking

References

ibm.com /support/pages/node/7292225
vendor-advisory, patch

Sources

CVE List CVE-2026-107674
NVD CVE-2026-107674

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary