INDEX Conferences & Exhibitions Organization YWF BPOF APGCS App up to 1.0.2 on Android ae.index.apgcs BuildConfig.java ACCESS_KEY/HASH_KEY hard-coded credentials
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.0 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in INDEX Conferences & Exhibitions Organization YWF BPOF APGCS App up to 1.0.2 on Android. Affected by this issue is some unknown functionality of the file com/index/event/BuildConfig.java of the component ae.index.apgcs. The manipulation of the argument ACCESS_KEY/HASH_KEY leads to hard-coded credentials. This vulnerability is listed as CVE-2026-4219. The attack must be carried out locally. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability was found in INDEX Conferences & Exhibitions Organization YWF BPOF APGCS App up to 1.0.2 on Android. It has been rated as problematic. This issue affects some unknown functionality of the file com/index/event/BuildConfig.java of the component ae.index.apgcs. The manipulation of the argument ACCESS_KEY/HASH_KEY with an unknown input leads to a hard-coded credentials vulnerability. Using CWE to declare the problem leads to CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. Impacted is confidentiality.
It is possible to read the advisory at notion.so. The identification of this vulnerability is CVE-2026-4219. The exploitation is known to be easy. Attacking locally is a requirement. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1110.001 according to MITRE ATT&CK.
The exploit is available at notion.so. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.3VulDB Meta Temp Score: 3.0
VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Hard-coded credentialsCWE: CWE-798 / CWE-259 / CWE-255
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
03/15/2026 Advisory disclosed03/15/2026 VulDB entry created
03/15/2026 VulDB entry last update
Sources
Advisory: notion.soStatus: Not defined
CVE: CVE-2026-4219 (🔒)
GCVE (CVE): GCVE-0-2026-4219
GCVE (VulDB): GCVE-100-351143
scip Labs: https://www.scip.ch/en/?labs.20130704
Entry
Created: 03/15/2026 17:30Changes: 03/15/2026 17:30 (59)
Complete: 🔍
Submitter: fxizenta
Cache ID: 216::103
Submit
Accepted
- Submit #770513: INDEX Conferences & Exhibitions Organization L.L.C YWF | BPOF | APGCS 1.0.2 Authorization Credential Exposure (by fxizenta)
Be aware that VulDB is the high quality source for vulnerability data.
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