CVE-2026-18175: IBM i is Affected By Improper Authorization and Authentication Vulnerabilities in DDM / DRDA [, ]
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to manipulate database transactions due to improper authorization in the DDM target dispatcher.
Other sources
IBM i could allow a remote attacker to manipulate database transactions due to improper authorization in the DDM target dispatcher.
— IBM
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 7.6Patch SJ11231 - Upgrade
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Fixed in 7.6Patch SJ11230 - Upgrade
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Fixed in 7.6Patch SJ11233 - Upgrade
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Fixed in 7.6Patch SJ11235 - Upgrade
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Fixed in 7.6Patch SJ11261 - Upgrade
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Fixed in 7.5Patch SJ11232 - Upgrade
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Fixed in 7.4Patch SJ11234 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 7.3Patch SJ11234 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 7.3Patch SJ11262
Event History
Frequently Asked Questions
Which IBM i releases are identified as affected?
IBM i 7.3, 7.4, 7.5, and 7.6 are identified as affected.
Does exploitation require credentials or user interaction?
The vulnerability is rated PR:N and UI:N, indicating that exploitation does not require privileges or user interaction.
What access does an attacker need, and how difficult is exploitation?
The attack vector is network-based (AV:N). The attack complexity is rated high (AC:H).
What could a successful attacker do?
A remote attacker could manipulate database transactions. The supplied impact metrics indicate low confidentiality impact, high integrity impact, and low availability impact.