CVE-2026-4219 PUBLISHED

A flaw has been found in INDEX Conferences & Exhibitions Organization YWF BPOF APGCS App up to 1.0.2 on Android. Affected by this vulnerability is an unknown functionality of the file com/index/event/BuildConfig.java of the component ae.index.apgcs. Executing a manipulation of the argument ACCESS_KEY/HASH_KEY can lead to hard-coded credentials. The attack is restricted to local execution. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

• fxizenta (VulDB User) reporter
• VulDB coordinator

• VDB-351143 | INDEX Conferences & Exhibitions Organization YWF BPOF APGCS App ae.index.apgcs BuildConfig.java hard-coded credentials
• VDB-351143 | CTI Indicators (IOB, IOC, TTP, IOA)
• Submit #770513 | INDEX Conferences & Exhibitions Organization L.L.C YWF | BPOF | APGCS 1.0.2 Authorization Credential Exposure
• https://www.notion.so/Authorization-Credentials-in-ae-index-apgcs-Lead-to-Exposure-of-Backend-Secrets-3172de3f97fb8040bc30c5519a742251?source=copy_link

• Hard-coded Credentials CWE
• Use of Hard-coded Password CWE