Xcode 26.3 File Read RCE via Permissions Leak
CVE-2026-28889 Published on March 25, 2026
A permissions issue was addressed with additional restrictions. This issue is fixed in Xcode 26.4. An app may be able to read arbitrary files as root.
Vulnerability Analysis
CVE-2026-28889 can be exploited with local system access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
Improper Privilege Management
The software does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Products Associated with CVE-2026-28889
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Affected Versions
Apple Xcode:- Before 26.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.