CVE-2026-115724

VLC for Android before 3.7.2 contains a confused-deputy file overwrite vulnerability in FileUtils.getUri() that trusts content URIs based only on the com.fsck.k9.attachmentprovider or gmail-ls authority. A co-installed app without permissions can declare these authorities and send a crafted VIEW intent to the exported StartActivity, making VLC write attacker-chosen content under an attacker-chosen name in the shared Download directory, overwriting other apps' files when VLC holds All files access.

• https://github.com/videolan/vlc-android/blob/3.7.1/application/vlc-android/src/org/videolan/vlc/util/FileUtils.kt#L397-L428
• https://github.com/videolan/vlc-android/commit/d289a54689d82eb788ec547ff5fb08f847ae62e6
• https://github.com/videolan/vlc-android/releases/tag/3.7.2

• https://github.com/videolan/vlc-android/blob/3.7.1/application/vlc-android/src/org/videolan/vlc/util/FileUtils.kt#L397-L428
• https://github.com/videolan/vlc-android/commit/d289a54689d82eb788ec547ff5fb08f847ae62e6
• https://github.com/videolan/vlc-android/releases/tag/3.7.2
• https://www.vulncheck.com/advisories/vlc-for-android-before-3.7.2-file-overwrite-via-spoofed-mail-attachment-provider

• HIGHCVE-2026-100598PoC
• HIGHCVE-2026-100642PoC
• HIGHCVE-2026-100646PoC
• HIGHCVE-2026-100803
• HIGHCVE-2026-100809
• HIGHCVE-2026-100816
• MEDIUMCVE-2026-100821
• HIGHCVE-2026-100830

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