Vulnerability in Xreal Nebula App
CVE-2026-4217
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 unprotected storage of credentials. 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.001 (2.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Xreal Nebula App — versions 3.2.0, 3.2.1
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- www.notion.so/Exposed-Cryptographic-Key-and-IV-in-ai-nreal-nebula-universal-317… (exploit)
Frequently asked questions
- What is CVE-2026-4217?
- CVE-2026-4217 is a low-severity vulnerability in Xreal Nebula App, classified under CWE-255. CVSS score: 2.5/10. Published 2026-03-16.
- How severe is CVE-2026-4217?
- Low severity. CVSS v3 base score is 2.5 out of 10.