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    2 vulnerabilities found for Stoat for Android by stoatchat

    CVE-2026-57848 (GCVE-0-2026-57848)

    Vulnerability from nvd – Published: 2026-07-18 19:15 – Updated: 2026-07-20 17:45
    VLAI
    Title
    Stoat for Android Internal File Disclosure via Exported ShareTargetActivity URI Validation
    Summary
    Stoat for Android exports the chat.stoat.activities.ShareTargetActivity component (reachable to any process on the device via the android.intent.action.SEND intent) and accepts the file to share as a URI supplied through the android.intent.extra.STREAM extra. The activity does not validate or filter the incoming URI before using it as the outgoing attachment, so a caller can pass a file:// URI pointing at the application's own internal storage (for example /data/data/chat.revolt/databases/revolt.db, cached authentication token files, or preferences) and have the app treat that internal file as a user-selected attachment. An attacker who can invoke intents on the victim's device (via ADB access, a co-installed malicious application, or any other route that reaches Android's intent dispatch) can launch ShareTargetActivity with such a URI and cause the victim, on a single channel-selection interaction, to send the internal file to any Stoat channel or user of the attacker's choosing. The composer displays the attachment as \"attachment\" with no filename indication, so the victim has no visible signal that the file being sent is their own internal application data. Consequences include disclosure of the local Stoat database (message history, contact list, cached content), disclosure of authentication tokens permitting full account takeover, and disclosure of any other file readable by the app process.
    Severity
    5.5 (Medium)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
    6.8 (Medium)
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-926 - Improper Export of Android Application Components
    Assigner
    References
    Impacted products
    Vendor Product Version
    stoatchat Stoat for Android Affected: 0 , < 1.6.0 (git)
    		Create a notification for this product.
    Date Public
    2026-07-17 00:00
    Credits
    Monokle
    Show details on NVD website
    To clipboard 

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    CVE-2026-57848 (GCVE-0-2026-57848)

    Vulnerability from cvelistv5 – Published: 2026-07-18 19:15 – Updated: 2026-07-20 17:45
    VLAI
    Title
    Stoat for Android Internal File Disclosure via Exported ShareTargetActivity URI Validation
    Summary
    Stoat for Android exports the chat.stoat.activities.ShareTargetActivity component (reachable to any process on the device via the android.intent.action.SEND intent) and accepts the file to share as a URI supplied through the android.intent.extra.STREAM extra. The activity does not validate or filter the incoming URI before using it as the outgoing attachment, so a caller can pass a file:// URI pointing at the application's own internal storage (for example /data/data/chat.revolt/databases/revolt.db, cached authentication token files, or preferences) and have the app treat that internal file as a user-selected attachment. An attacker who can invoke intents on the victim's device (via ADB access, a co-installed malicious application, or any other route that reaches Android's intent dispatch) can launch ShareTargetActivity with such a URI and cause the victim, on a single channel-selection interaction, to send the internal file to any Stoat channel or user of the attacker's choosing. The composer displays the attachment as \"attachment\" with no filename indication, so the victim has no visible signal that the file being sent is their own internal application data. Consequences include disclosure of the local Stoat database (message history, contact list, cached content), disclosure of authentication tokens permitting full account takeover, and disclosure of any other file readable by the app process.
    Severity
    5.5 (Medium)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
    6.8 (Medium)
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-926 - Improper Export of Android Application Components
    Assigner
    References
    Impacted products
    Vendor Product Version
    stoatchat Stoat for Android Affected: 0 , < 1.6.0 (git)
    		Create a notification for this product.
    Date Public
    2026-07-17 00:00
    Credits
    Monokle
    Show details on NVD website
    To clipboard 

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