C2paApplication · Adobe
CVE-2026-48296
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 · uneditedCAI Content Credentials is affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.
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 confidenceInteger underflow vulnerability in CAI Content Credentials allows an unauthenticated attacker to cause application crash and denial-of-service without user interaction.
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
C2paApplication
<= 0.84.0<= 0.7.0<= 0.17.0CVSS 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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/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.
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Identify installed Adobe C2pa versionRun 'npm list c2pa' if using Node.js, or check the package.json dependencies for 'c2pa' package version. If installed via other means, locate the c2pa library binary or package and query its version using 'c2pa --version' or consult vendor documentation.Affected if The installed version is 0.84.0 or lower.
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Identify installed Adobe C2pa Web versionRun 'npm list @contentauthenticity/c2pa-web' or check package.json for '@contentauthenticity/c2pa-web' dependency version. Check if this JavaScript library is loaded in web applications.Affected if The installed version is 0.7.0 or lower.
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Identify installed Adobe C2patool versionRun 'c2patool --version' from command line if the tool is installed, or check the installed package version via package manager (npm, cargo, etc.) depending on installation method.Affected if The installed version is 0.17.0 or lower.
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Confirm Content Credentials processing is in useInspect application logs, configuration, or code to determine if the CAI Content Credentials functionality is actively used - specifically whether the application parses, validates, or processes C2PA manifests or content credentials from external sources.Affected if The application processes C2PA/Content Credentials from untrusted sources and the vulnerable version is installed.
You are affected if any Adobe C2pa, Adobe C2pa Web, or Adobe C2patool version at or below the listed thresholds is installed AND your application processes Content Credentials from external sources.
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 dataApply vendor patch when available; until then, implement input validation and safe integer arithmetic (bounds checking, use of unsigned integers where appropriate, or safe math libraries) to prevent wraparound.
Fix this in C2pa
Scoped from the published advisory
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-48296 — 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-2026-48296 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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