CVE-2026-47122

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-2026-47121

Sparkle is a software update framework for macOS. Prior to version 2.9.2, Autoupdate/SUBinaryDeltaApply.m enforces relativePath.pathComponents containsObject:@".." and rejects writes whose immediate parent directory IS itself a symbolic link, but does not detect symlinks deeper in the relative...

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...

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-2026-47121 Sparkle: Binary delta apply intermediate-symlink traversal in malicious .delta

Sparkle is a software update framework for macOS. Prior to version 2.9.2, Autoupdate/SUBinaryDeltaApply.m enforces relativePath.pathComponents containsObject:@".." and rejects writes whose immediate parent directory IS itself a symbolic link, but does not detect symlinks deeper in the relative...

CVE-2026-47121

Sparkle vulnerability CVE-2026-47121 (affecting macOS AutoUpdate) arises from a defense-in-depth gap in delta application. An archive item can create a symlink in the destination tree and a subsequent file write may traverse the symlink path, allowing writes outside the intended destination when ...

CVE-2026-47121 Sparkle: Binary delta apply intermediate-symlink traversal in malicious .delta

Sparkle is a software update framework for macOS. Prior to version 2.9.2, Autoupdate/SUBinaryDeltaApply.m enforces relativePath.pathComponents containsObject:@".." and rejects writes whose immediate parent directory IS itself a symbolic link, but does not detect symlinks deeper in the relative...

EUVD-2023-60590

Missing Authorization vulnerability in Sparkle WP MetroStore metrostore allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects MetroStore: from n/a through 1.3.2...

PT-2026-48642

Missing Authorization vulnerability in Sparkle WP MetroStore metrostore allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects MetroStore: from n/a through 1.3.2...

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...

GHSA-HG88-V3CW-3QRH Sparkle: Binary delta apply intermediate-symlink traversal in malicious .delta

Summary Binary delta apply intermediate-symlink traversal in malicious .delta Autoupdate/SUBinaryDeltaApply.m enforces relativePath.pathComponents containsObject:@".." and rejects writes whose immediate parent directory IS itself a symbolic link, but does not detect symlinks deeper in the relativ...

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...

CVE-2026-47121

creationtimestamp| type| source ---|---|--- 2026-05-19 03:47:16+00:00| published-proof-of-concept| https://github.com/sparkle-project/Sparkle/security/advisories/GHSA-hg88-v3cw-3qrh...

BIT-JRE-2025-0509 Signing Checks Bypass

A security issue was found in Sparkle before version 2.6.4. An attacker can replace an existing signed update with another payload, bypassing Sparkle’s EdDSA signing checks...

PT-2026-38845

A security issue was found in Sparkle before version 2.6.4. An attacker can replace an existing signed update with another payload, bypassing Sparkle’s EdDSA signing checks...

BIT-JAVA-MIN-2025-0509 Signing Checks Bypass

A security issue was found in Sparkle before version 2.6.4. An attacker can replace an existing signed update with another payload, bypassing Sparkle’s EdDSA signing checks...

BIT-JAVA-2025-0509 Signing Checks Bypass

A security issue was found in Sparkle before version 2.6.4. An attacker can replace an existing signed update with another payload, bypassing Sparkle’s EdDSA signing checks...

PT-2026-38031

A security issue was found in Sparkle before version 2.6.4. An attacker can replace an existing signed update with another payload, bypassing Sparkle’s EdDSA signing checks...