IBM ARE i GUI Component Privilege Escalation
CVE-2026-18527 Published on August 28, 2026
IBM Application Runtime Expert (ARE) for IBM i is vulnerable to a user gaining elevated privileges and sensitive information [, ].
IBM Administration Runtime Expert for i 1R1M0 IBM Application Runtime Expert (ARE) for i could allow a remote attacker to gain elevated privileges, caused by ARE GUI component processing. An unauthenticated attacker can exploit this vulnerability to execute actions under another user's authenticated profile gaining elevated privileges on the IBM i system.
Vulnerability Analysis
CVE-2026-18527 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
Session Fixation
Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
Products Associated with CVE-2026-18527
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