What is GHSA-q584-w9q9-2fgr?

GHSA-q584-w9q9-2fgr is a security advisory published by GitHub Security Advisories with High severity. In handleUssdRequest of PhoneInterfaceManager.java, there is a possible way to send a USSD...

Which CVE IDs does GHSA-q584-w9q9-2fgr cover?

GHSA-q584-w9q9-2fgr covers the following CVE IDs: CVE-2026-28634. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q584-w9q9-2fgr?

GHSA-q584-w9q9-2fgr has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-q584-w9q9-2fgrHighCVSS 7.8

In handleUssdRequest of PhoneInterfaceManager.java, there is a possible way to send a USSD...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-28634 →

📋 Description

In handleUssdRequest of PhoneInterfaceManager.java, there is a possible way to send a USSD request without permission due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-28634
https://source.android.com/docs/security/bulletin/2026/2026-09-01
https://github.com/advisories/GHSA-q584-w9q9-2fgr