IBM i 7.3-7.6 Host-Based Printer Subsystem Auth Bypass & Info Leak
CVE-2026-77153 Published on November 8, 2026
IBM i is Affected By Missing Authorization Vulnerability in Host-Based Printer Subsystem []
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote unauthenticated attacker to obtain sensitive information from the Host-Based Printer Subsystem due to no authorization check. A bad actor could use this vulnerability to print files they should not be able to access.
Vulnerability Analysis
CVE-2026-77153 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity, and a small impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-77153 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-77153
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Affected Versions
IBM i:- Version 7.6 is affected.
- Version 7.5 is affected.
- Version 7.4 is affected.
- Version 7.3 is affected.