CVE-2025-70023
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 · uneditedAn issue pertaining to CWE-843: Access of Resource Using Incompatible Type was discovered in transloadit uppy v0.25.6.
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 confidenceA type confusion vulnerability (CWE-843) exists in transloadit uppy v0.25.6 allowing access of a resource using an incompatible type. The critical severity (CVSS 9.8) suggests arbitrary code execution or severe data access is possible through improper type handling in the affected component.
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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
-
Identify if transloadit uppy is installedSearch for uppy in your project's dependencies: check package.json for 'uppy' or '@transloadit/uppy', or run 'npm list uppy' / 'yarn list uppy' in your project directoryAffected if uppy is listed as a dependency in your project
-
Determine the installed uppy versionRun 'npm list uppy --depth=0' or check the version field in your package.json for the uppy entryAffected if The installed version is v0.25.6 or any version prior to it
-
Confirm the exact version matches the affected releaseCompare your installed version number directly against v0.25.6. If your package-lock.json or yarn.lock shows a specific version, verify that version numberAffected if The version is v0.25.6 or older (e.g., v0.25.5, v0.25.0, etc.)
-
Check if uppy is actively loaded in your application runtimeReview your application code for 'require("uppy")' or 'import * as Uppy' statements, and check if uppy is included in your JavaScript bundleAffected if uppy is imported and executed in your application code at runtime
-
Verify the vulnerable component is accessibleSince the flaw involves type handling in the uppy core, check if your application processes external uploads, file inputs, or data streams through uppy's core moduleAffected if Your application uses uppy to handle file uploads or data processing
You are affected if transloadit uppy v0.25.6 or any earlier version is installed and actively handling files or data in your environment.
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 dataUpgrade transloadit uppy to the latest version that addresses this type confusion vulnerability. If no patched version is available, consider isolating the uppy component or implementing input validation layers until a fix is released.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,800.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-70023 — 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-2025-70023 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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
- No spam, self-promotion, credentials, or personal data