CVE-2025-31816
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 · uneditedMissing Authorization vulnerability in pietro Mobile App Canvas mobile-app allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Mobile App Canvas: from n/a through <= 3.8.2.
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 confidenceThis is a Missing Authorization (Broken Access Control) vulnerability in Mobile App Canvas. The application incorrectly configures access control security levels, allowing authenticated or unauthenticated users to access resources or functions beyond their intended privileges. This is a server-side authorization bypass affecting Mobile App Canvas versions up to and including 3.8.2.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Network
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
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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Identify Mobile App Canvas versionLocate the version information in the application administrative interface, or check the software build/version file, or run: [command to display version] if available from product documentationAffected if version is 3.8.2 or lower (any version up to and including 3.8.2)
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Locate access control security level configurationAccess the application configuration files or administrative settings where security levels and authorization policies are defined; look for settings controlling user privilege separationAffected if access control security level is set to a permissive or incorrect value that allows privilege escalation
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Verify authorization controls on sensitive functionsReview the application endpoint configurations and permission mappings for server-side operations, checking which roles or security levels can access administrative or elevated functionsAffected if sensitive functions or resources are accessible without proper authorization checks or with insufficient privilege requirements
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Test for horizontal or vertical privilege escalationUsing an authenticated test account with limited privileges, attempt to access resources or functions reserved for higher-privileged roles; also test with an unauthenticated sessionAffected if lower-privileged or unauthenticated users can access resources or operations intended only for higher-privileged accounts
A user is affected if Mobile App Canvas version is 3.8.2 or lower AND the access control security level configuration permits unauthorized access to privileged resources or functions.
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.
From vendor dataImplement proper server-side authorization checks for all sensitive operations and resources. Review and correct the access control security level configurations to ensure proper privilege separation. Update to a patched version if available from the vendor.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,888.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-31816 — 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-2025-31816 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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