sparkle-project Sparkle up to 2.9.1 Autoupdate AppInstaller.m shouldAcceptNewConnection Local Privilege Escalation

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k1.11

Summaryinfo

A vulnerability has been found in sparkle-project Sparkle up to 2.9.1 and classified as problematic. Affected is the function shouldAcceptNewConnection of the file Autoupdate/AppInstaller.m of the component Autoupdate. This manipulation causes Local Privilege Escalation. The identification of this vulnerability is CVE-2026-47122. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability has been found in sparkle-project Sparkle up to 2.9.1 and classified as problematic. Affected by this vulnerability is the function shouldAcceptNewConnection of the file Autoupdate/AppInstaller.m of the component Autoupdate. The manipulation with an unknown input leads to a local privilege escalation vulnerability. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-47122 since 05/18/2026. The exploitation appears to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/18/2026 CVE reserved
07/21/2026 +64 days Advisory disclosed
07/21/2026 +0 days VulDB entry created
07/21/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-47122 (🔒)
GCVE (CVE): GCVE-0-2026-47122
GCVE (VulDB): GCVE-100-380929

Entryinfo

Created: 07/21/2026 17:03
Changes: 07/21/2026 17:03 (54)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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