CVE-2026-47122 Sparkle's AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection

Sparkle is a software update framework for macOS. In versions up to and including 2.9.1, Autoupdate/AppInstaller.m's shouldAcceptNewConnection: only enforces SUCodeSigningVerifier validateConnection: before stage 1 completes. After performedStage1Installation = YES, new connections to the...

CVE-2026-47122

Sparkle CVE-2026-47122 affects Sparkle 2.x up to 2.9.1. After stage 1 installation, the AppInstaller’s Mach service (-spki) accepts connections from any local process without team-ID or code-signing checks, enabling a local attacker to inject a spoofed SPUSentUpdateAppcastItemData payload and cau...

GHSA-G3HP-F6MG-559V Sparkle's AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection

Summary AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection. Details Autoupdate/AppInstaller.m's shouldAcceptNewConnection: only enforces SUCodeSigningVerifier validateConnection: before stage 1 completes. After...

Sparkle's AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection

Summary AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection. Details Autoupdate/AppInstaller.m's shouldAcceptNewConnection: only enforces SUCodeSigningVerifier validateConnection: before stage 1 completes. After...

PT-2026-45020

Name of the Vulnerable Software and Affected Versions Sparkle versions 2.x through 2.9.1 Description In the Autoupdate/AppInstaller.m file, the shouldAcceptNewConnection: function only enforces SUCodeSigningVerifier validateConnection: before the first stage of installation completes. Once...

Sparkle's AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection

AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection...

Ruby CSS Parser 信任管理问题漏洞

Ruby CSS Parser is an open-source tool developed by premailer, used for loading, parsing, and cascading CSS rule sets. Versions of Ruby CSS Parser prior to 2.1.0 and 1.22.0 had a trust management vulnerability. This vulnerability stemmed from unvalidated HTTPS connections, where connections were...

EUVD-2024-2878

Malicious code in bioql PyPI...

PT-2024-31563 · Unknown · Quinn-Proto

Name of the Vulnerable Software and Affected Versions: quinn-proto version 0.11 Description: The issue arises when a server calls retry on an unvalidated connection, exposing it to a likely panic in two situations: 1. When refuse or ignore is called on the resulting validated connection and a...

CVE-2021-41388

Netskope client prior to 89.x on macOS is impacted by a local privilege escalation vulnerability. The XPC implementation of nsAuxiliarySvc process does not perform validation on new connections before accepting the connection. Thus any low privileged user can connect and call external methods...