CVE-2026-57848: Software Security Vulnerability Vulnerability

MODERATE
Advisory Identifier: GHSA-cr46-r787-v566
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CVSS 5.5
CWE-926
Published
Advisory Summary

CVE-2026-57848 is a MODERATE (CVSS 5.5) security vulnerability vulnerability (CWE-926: Improper Export of Android Application Components) affecting Software libraries in the Maven ecosystem. The weakness occurs when the android application exports a component for use by other applications, but does not properly restrict which applications can launch the component or access the data it contains.. Remediation is available in the latest vendor maintenance releases.

CVE-2026-57848 at a Glance

CVE Identifier CVE-2026-57848
GHSA Identifier GHSA-cr46-r787-v566
Severity MODERATE
CVSS v3.1 Base Score 5.5
CWE Classification CWE-926: Improper Export of Android Application Components
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 5.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N).

Attack Vector Local (AV:L)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction Required (UI:R)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2026-57848

To remediate this vulnerability, upgrade all affected Software dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

mvn dependency:tree

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2026-57848, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree

Analyze the terminal output to locate any version of Software in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: The mvn dependency:tree command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-926: Improper Export of Android Application Components, where the android application exports a component for use by other applications, but does not properly restrict which applications can launch the component or access the data it contains. In Software, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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.

References

NVD — CVE-2026-57848 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-57848
Security Fix Commit FIX COMMIT
https://github.com/stoatchat/for-android/commit/50d5f5143940809ebb5a61e5f507c956c33aa970
Software Source Repository REPOSITORY
https://github.com/stoatchat/for-android
www.vulncheck.com/advisories/stoat-fo... WEB
https://www.vulncheck.com/advisories/stoat-for-android-internal-file-disclosure-via-exported-sharetargetactivity-uri-validation

Frequently Asked Questions

What is CVE-2026-57848?
CVE-2026-57848 is a security vulnerability in Software classified as a security vulnerability vulnerability under CWE-926: Improper Export of Android Application Components.
Which Software versions are affected?
Affected versions include releases prior to current release patches.
What version fixes CVE-2026-57848?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What is the CVSS score of CVE-2026-57848?
CVE-2026-57848 has a CVSS v3.1 base score of 5.5 (MODERATE) with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2026-57848?
CVE-2026-57848 is classified under CWE-926: Improper Export of Android Application Components (The Android application exports a component for use by other applications, but does not properly restrict which applications can launch the component or access the data it contains.).
How can I check Maven dependencies for CVE-2026-57848?
Run the dependency tree command: 'mvn dependency:tree'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
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  "id" : "GHSA-cr46-r787-v566",
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  "published" : "2026-07-18T21:30:24Z",
  "aliases" : [ "CVE-2026-57848" ],
  "details" : "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.",
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