Which versions of Java are affected by CVE-2026-4217?

CVE-2026-4217 is a low-severity vulnerability in XREAL Nebula App (CVSS 2.5). The limited severity suggests constrained impact, typically requiring specific conditions or local access for…

Is there a public PoC exploit available for CVE-2026-4217?

Yes, a public proof-of-concept exploit is available for CVE-2026-4217. Prioritise patching immediately. EPSS: 0.0%.

Java CVE-2026-4217

Q: What is the CVSS score of CVE-2026-4217?

CVE-2026-4217 has a CVSS 4.0 base score of 1.1 (Low). CVSS vector: CVSS:4.0/AV:L/AC:H/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. EPSS exploitation probability: 0.0%.

EUVD-2026-12337 LOW

Key Management Errors (CWE-320)

2026-03-16 VulDB

Java Information Disclosure Google

1.1

CVSS 4.0

CVSS VectorNVD

CVSS:4.0/AV:L/AC:H/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

High

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

CVSS changed

Apr 29, 2026 - 01:11 NVD

2.0 (LOW) 1.1 (LOW)

CVSS changed

Apr 22, 2026 - 21:37 NVD

2.5 (LOW) 2.0 (LOW)

PoC Detected

Mar 16, 2026 - 14:53 vuln.today

Public exploit code

EUVD ID Assigned

Mar 16, 2026 - 06:00 euvd

EUVD-2026-12337

Analysis Generated

Mar 16, 2026 - 06:00 vuln.today

CVE Published

Mar 16, 2026 - 05:02 nvd

LOW 2.5

DescriptionNVD

A security vulnerability has been detected in XREAL Nebula App up to 3.2.1 on Android. This impacts an unknown function of the file in ai/nreal/nebula/flutterPlugin/CloudStoragePlugin.java of the component ai.nreal.nebula.universal. Such manipulation of the argument accessKey/secretAccessKey/securityToken leads to key management error. The attack can only be performed from a local environment. The attack requires a high level of complexity. The exploitability is said to be difficult. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

A key management error exists in the XREAL Nebula App (Android) up to version 3.2.1, specifically in the CloudStoragePlugin.java component where accessKey, secretAccessKey, and securityToken arguments are improperly handled. An attacker with local access and moderate privileges can manipulate these credentials to bypass authentication controls, resulting in unauthorized information disclosure. …

RemediationAI

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

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CVE-2026-4217 vulnerability details – vuln.today

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