Security Flaw in PropertyGuru AgentNet Singapore App for Android
CVE-2026-5457

4.8MEDIUM

Key Information:

Vendor

Propertyguru

Status
Agentnet Singapore App
Vendor
CVE Published:
3 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5457?

A security flaw has been uncovered in the PropertyGuru AgentNet Singapore App affecting Android devices. This vulnerability stems from a function in the BuildConfig.java file, specifically relating to hard-coded cryptographic keys associated with SEGMENT_ANDROID_WRITE_KEY and SEGMENT_TOS_WRITE_KEY parameters. Attackers with local access can exploit this flaw, potentially leading to unauthorized manipulation of user data and injection attacks. Despite prior notification, the vendor has not responded to this serious issue, raising concern over the application's security posture.

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Deploy the Patch

Affected Version(s)

AgentNet Singapore App 23.7.0

AgentNet Singapore App 23.7.1

AgentNet Singapore App 23.7.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-5457 - Proof of Concept

References

https://vuldb.com/vuln/355045
vdb-entrytechnical-description
https://vuldb.com/vuln/355045/cti
signaturepermissions-required
https://vuldb.com/submit/781764
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

fxizenta (VulDB User)
VulDB CNA Team
JSON
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