CVE-2026-21037
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedImproper input validation in Samsung Members prior to version 5.8.01.5 allows local attackers to access arbitrary URL and launch arbitrary activity with Samsung Members privilege.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceImproper input validation in Samsung Members app before version 5.8.01.5 allows a local attacker to specify arbitrary URLs and launch arbitrary Android activities using the app's privileges, potentially escalating privileges or performing actions on behalf of the app.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data< 5.8.01.5CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Check if Samsung Members app is installedOpen device Settings > Apps and search for 'Samsung Members', or run: `adb shell pm list packages | grep samsungmembers`Affected if Samsung Members app is present on the device
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Determine installed version of Samsung MembersIn Settings > Apps > Samsung Members, check the Version field displayed under the app name, or run: `adb shell dumpsys package com.samsungandroid.samsungmembers | grep versionName`Affected if A version number is displayed (app is installed)
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Compare version against affected rangeCompare the installed version number to 5.8.01.5 - ensure numeric comparison accounts for version format (e.g., 5.8.0 < 5.8.01.5)Affected if Installed version is less than 5.8.01.5 (e.g., 5.8.01.4, 5.7.XX, etc.)
If Samsung Members is installed and the version is below 5.8.01.5, the device is affected by this improper input validation vulnerability.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped5.8.01.5
Update Samsung Members to version 5.8.01.5 or later. If update is not possible, restrict the application's ability to handle external intents and validate all URL/activity parameters before execution.
5.8.01.5 or later
- Open the Google Play Store app on your Samsung device
- Search for "Samsung Members"
- Tap on Samsung Members from the search results
- Tap the "Update" button to install version 5.8.01.5 or later
- Verify the updated version in the app's info page after updating
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-21037 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-21037 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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