Sparkle's AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection
Source: Mitre, NVD
Published: 2026-05-29
Base Score: 2.4
Vector: CVSS2#AV:L/AC:H/Au:S/C:N/I:P/A:P
Severity: Low
Base Score: 4.2
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L
Severity: Medium