CVE-2026-48442 Adobe CVE debrief

Who should care

Organizations using Adobe CAI Content Credentials, particularly those handling sensitive files or with high security requirements, should be aware of this vulnerability and take immediate action to patch affected systems. This includes reviewing current deployments, assessing potential exposure, and prioritizing patching for systems handling sensitive information or with high security requirements.

Technical summary

CVE-2026-48442 is a Path Traversal vulnerability in Adobe CAI Content Credentials, allowing attackers to gain unauthorized read access to files or directories outside intended restrictions. The vulnerability has a CVSS score of 7.1 and is classified as HIGH severity. It affects C2PA, C2PA-web, and C2patool versions before 0.90.6, 0.12.1, and 0.27.6 respectively. This vulnerability can be exploited without user interaction, potentially leading to unauthorized access to sensitive information.

Defensive priority

Organizations using Adobe CAI Content Credentials should prioritize patching to prevent unauthorized file system reads.

Recommended defensive actions

• Apply patches for Adobe CAI Content Credentials versions C2PA 0.90.6, C2PA-web 0.12.1, and C2patool 0.27.6 or later.
• Conduct inventory checks for vulnerable CAI Content Credentials installations.
• Implement compensating controls such as monitoring file system access patterns.
• Review the official CVE record and vendor advisory for detailed information.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE-2026-48442 vulnerability in Adobe CAI Content Credentials allows for arbitrary file system reads due to improper pathname restrictions. Affected versions include C2PA up to 0.90.6, C2PA-web up to 0.12.1, and C2patool up to 0.27.6. Limited evidence is available on exploitation. Further verification is needed to assess the full scope of affected systems and potential impact. Defenders should review the official CVE record and vendor advisory for detailed information.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.