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Java CVE-2026-5458

| EUVD-2026-18611 LOW
Use of Hard-coded Cryptographic Key (CWE-321)
2026-04-03 VulDB
1.9
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
1.9 LOW
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
PoC Detected
Apr 03, 2026 - 16:10 vuln.today
Public exploit code
EUVD ID Assigned
Apr 03, 2026 - 07:15 euvd
EUVD-2026-18611
Analysis Generated
Apr 03, 2026 - 07:15 vuln.today
CVE Published
Apr 03, 2026 - 07:00 nvd
LOW 1.9

DescriptionCVE.org

A weakness has been identified in Noelse Individuals & Pro App up to 2.1.7 on Android. This impacts an unknown function of the file com/reactnative/antelop/BuildConfig.java of the component com.afone.noelse. This manipulation of the argument SEGMENT_WRITE_KEY causes use of hard-coded cryptographic key . The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Noelse Individuals & Pro App for Android versions up to 2.1.7 uses a hard-coded cryptographic key (SEGMENT_WRITE_KEY) in the BuildConfig.java component, allowing local authenticated attackers to perform information disclosure and potential data injection attacks. The vulnerability requires local access and authenticated user privileges on the device, with publicly available exploit code demonstrating the attack. …

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Vulnerability AssessmentAI

Risk Assessment Despite the CVSS 1.9 score (severity: Low), the real-world risk is notably constrained by multiple factors. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An authenticated user with local access to an Android device where Noelse Individuals & Pro App is installed can extract the hard-coded SEGMENT_WRITE_KEY from the application's BuildConfig.java bytecode using standard Android reverse-engineering tools (e.g., APKTool, Frida). Using the exposed key and publicly available proof-of-concept code hosted on Notion, the attacker can inject malicious analytics events or manipulate user profile data sent to Segment, potentially altering user records or gaining visibility into analytics infrastructure. …
Remediation No vendor-released patch identified at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-5458 vulnerability details – vuln.today

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