CVE-2026-107153
Multiple smartphones provided by Rakuten Mobile, Inc. utilize AOSP test keys for their Android Verified Boot (AVB) functionality.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 7.0 HIGHCVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.20% probability · 9th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-1391
- Source
- vultures@jpcert.or.jp
EPSS moved from 0.2% on 14 October 2026 to 0.2% on 26 October 2026.
References
- https://jvn.jp/en/jp/JVN47427200/
- https://network.mobile.rakuten.co.jp/product/smartphone/rakuten-big-s/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-hand/support/index.html
- https://network.mobile.rakuten.co.jp/product/smartphone/rakuten-mini/support/index.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.