CVE-2026-48354 c2pa vulnerability
CAI Content Credentials is affected by an Integer Overflow 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.
Quick answer
adobe c2pa should be reviewed and updated if it matches the affected versions. The recommended fix is to apply the vendor-supported patched version or the mitigation steps below, then retest the public website with Fixnx.
Who is affected
Affected versions
- -
Fixed versions
- Apply the latest vendor-supported patched version.
How to fix it
CVE-2026-48354 affects adobe c2pa and is rated medium. CAI Content Credentials is affected by an Integer Overflow or Wraparound vulnerability that could result in an application denial-of-service. Fix this first on exposed systems, shared services, and user-facing workflows. The practical fix is to update Adobe CAI Content Credentials/C2PA components to the latest Adobe-supported patched release, then verify the risky path is closed.
- Inventory every server, app, package, desktop, device, container, or workflow that uses adobe c2pa.
- Check the installed version and configuration against CVE-2026-48354 and the linked advisory.
- Apply the vendor fix: update Adobe CAI Content Credentials/C2PA components to the latest Adobe-supported patched release.
- Process untrusted media and content credentials in a sandbox until the C2PA component is patched.
- Disable or isolate the affected feature if you cannot update right away.
- Review media processing logs for crashes, file reads, write attempts, and security bypass signals.
- Rotate secrets, rebuild affected systems, or reset sessions if you suspect compromise.
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Verify the fix
- Confirm adobe c2pa is running the patched version or the approved mitigation is active.
- Confirm affected public, admin, API, desktop, storage, or device access is limited to trusted users.
- Repeat a safe test of the risky workflow and confirm the issue no longer appears.
- Review logs after the fix for crashes, bypass attempts, file access, or suspicious changes.
- Save version, config, log, and scan evidence for your remediation record.
Trusted references
FAQ
What is affected by CVE-2026-48354?
adobe c2pa versions listed as affected should be reviewed: -.
What should I fix first?
Start with internet-facing sites, admin panels, login flows, plugins, themes, modules, packages, and systems that process user-controlled input or sensitive data.
How do I confirm the fix worked?
Apply the patched version or mitigation, clear caches where relevant, retest the affected workflow, and run a new Fixnx scan to verify public website exposure signals.
How are Fixnx security risk categories chosen?
Fixnx keeps one canonical risk page and assigns only broad, relevant categories such as ecosystem, technology area, or vulnerability class.