Insecure permissions in the object/Page.java component of MBasov OMN Outline notes Markdown versionCode 3400 allows unauthorized attackers to arbitrarily write content into another user's private storage via a crafted payload.
https://github.com/mvbasov/OMN
https://github.com/FFG0d/fdroid-android-advisories/blob/main/advisories/CVE-2026-107035.md