Path Traversal in Adobe C2pa
CVE-2026-103820
CAI Content Credential is affected by an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could result in an arbitrary file system write. An attacker could leverage this vulnerability to write to unauthorized files or directories outside of intended restrictions. Exploitation of this issue requires user interaction in that a victim must extract a maliciously crafted file.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- www.adobe.com/trust/security/products/content-credentials-sdk/apsb26-163.html (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-103820?
- CVE-2026-103820 is a medium-severity vulnerability in Adobe C2pa, classified under Path Traversal. CVSS score: 5.5/10. Published 2026-10-13.
- How severe is CVE-2026-103820?
- Medium severity. CVSS v3 base score is 5.5 out of 10.