exposure-of-sensitive-information-to-an-unauthorized-actor

CVE-2026-28958

WebKit

Medium

CVSS Details

CVSS Score

5.5 MEDIUM

Vector String

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Description

This issue was addressed with improved data protection. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5. An app may be able to access sensitive user data. This is a second, independent Content Security Policy bypass in WebKit discovered by Cantina's Apex agent.

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Disclosure Date

Public Disclosure

May 11, 2026