"NewsPicks" App uses a hard-coded API key for an external service


"NewsPicks" App for Android and "NewsPicks" App for iOS provided by NewsPicks, Inc. use a hard-coded API key for an external service (CWE-798).

Sunagawa Masanori of BroadBand Security, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 4.0 (Medium) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 2.1 (Low) [IPA Score]
  • Access Vector: Local
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Affected Products

NewsPicks, Inc.
  • NewsPics App for Android versions 10.4.5 and earlier
  • NewsPics App for iOS versions 10.4.2 and earlier


Data in the app may be analyzed and API key for an external service may be obtained.
Note that the users of the app are not directly affected by this vulnerability.

[Update the Application]
Update the application to the latest version according to the information provided by the developer.

According to the developer, the latest app does not hard-code the API key.
Also the vulnerable API key has been deactivated, and therefore the information contained in the vulnerable app cannot be abused.
Vendor Information

NewsPicks, Inc.
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2023-28387

  1. JVN : JVN#32739265
Revision History

  • [2023/06/30]
      Web page was published