CVE-2026-47122

Summary

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 registered Mach service <bundleId>-spki are accepted from any local process without team-ID or code-signing checks. As of time of publication, no known patched versions are available.

Affected Software

VendorProductVersion RangeStatus
sparkle-projectSparkle<= 2.9.1affected

Weaknesses

  • CWE-306: CWE-306: Missing Authentication for Critical Function
  • CWE-441: CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References