VulnerabilityAnalyzed

CVE-2026-47122

Sparkle is a software update framework for macOS.

MEDIUM 4.2EPSS 0.10%

Does this matter?

Lower severity and a low EPSS score (0.10%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 3.1: 4.2 MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L
EPSS: 0.10% probability · 1th percentile
CISA KEV: Not listed
Weakness: CWE-306, CWE-441
Affected: sparkle-project/sparkle
Source: security-advisories@github.com

References

https://github.com/sparkle-project/Sparkle/security/advisories/GHSA-g3hp-f6mg-559vVendor Advisory, Mitigation

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.