---
id: CVE-2026-103820
title: >-
  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
summary: >-
  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 w…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'
cwe:
  - CWE-22
vendor: adobe
product: c2pa
affected:
  - c2pa < 0.91.1
  - c2pa-web < 0.15.3
  - c2patool < 0.28.1
patched:
  - c2pa 0.91.1
  - c2pa-web 0.15.3
  - c2patool 0.28.1
published: '2026-10-13'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T18:57:17.890'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-103820'
references:
  - url: >-
      https://www.adobe.com/trust/security/products/content-credentials-sdk/apsb26-163.html
    label: psirt@adobe.com
tags:
  - nvd
  - cve.org
epss: 0.00229
epssPercentile: 0.13788
ingestedAt: '2026-10-13T23:03:54.733Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-14T14:32:30.950522Z'
---

## Overview

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.

## Affected

- `c2pa < 0.91.1`
- `c2pa-web < 0.15.3`
- `c2patool < 0.28.1`

## Remediation

Upgrade past the affected range:

- `c2pa 0.91.1`
- `c2pa-web 0.15.3`
- `c2patool 0.28.1`