CVE-2026-103820 CAI Content Credentials | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22)

Medium 5.5 Published 13 Oct 2026 Updated 14 Oct 2026

Attackers can write to unauthorized files via path traversal in Adobe Content Credentials SDKs when victims extract malicious files.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-103820?

CVE-2026-103820 is a medium-severity path traversal vulnerability in Adobe C2pa, published on 13 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-22

Which versions are affected by CVE-2026-103820?

It affects 3 products.

Products include Adobe C2pa, Adobe C2pa-Web, Adobe C2patool.

How do I fix CVE-2026-103820?

No fix has been published for CVE-2026-103820 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-103820 being exploited?

There is no known exploitation of CVE-2026-103820 in the wild and no public exploit code.

All Adobe C2pa vulnerabilities

Sources

Also known as GHSA-mx9w-6m8x-qw4w.