CVE-2026-34657

Published: Jun 9, 2026Modified: Jun 17, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Exploitability: 1.8 / Impact: 3.6

Source: psirt@adobe.com (Secondary)

Description

CAI Content Credentials versions c2pa-web@0.7.1, c2pa-v0.80.1 and earlier are 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 (2)

Products: Adobe: C2pa, C2pa Web

2 products

Configuration A

2 vulnerable · 5 platform

Vulnerable Software	Affected Versions
Adobe C2pa	Up to 0.80.1
Adobe C2pa Web	Up to 0.7.1

Running on/with	Platform Versions
Apple Iphone Os	All versions
Apple Macos	All versions
Google Android	All versions
Linux Linux Kernel	All versions
Microsoft Windows	All versions

Related CWEs

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (1)

https://helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-61.html

Source: psirt@adobe.com

Vendor Advisory

Timeline

No history available yet.