Adobe C2PA Tool path traversal

Summaryinfo

A vulnerability classified as problematic has been found in Adobe C2PA Tool, Content Credentials JS SDK and Content Credentials Rust SDK. Impacted is an unknown function. The manipulation leads to path traversal. This vulnerability is referenced as CVE-2026-103820. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in Adobe C2PA Tool, Content Credentials JS SDK and Content Credentials Rust SDK (version now known). It has been rated as problematic. This issue affects some unknown processing. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. 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. Impacted is integrity. The summary by CVE is:

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.

The advisory is shared at adobe.com. The identification of this vulnerability is CVE-2026-103820 since 10/01/2026. The exploitation is known to be easy. An attack has to be approached locally. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/14/2026). MITRE ATT&CK project uses the attack technique T1006 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Adobe

Name

• C2PA Tool
• Content Credentials JS SDK
• Content Credentials Rust SDK

License

• commercial

Website

• Vendor: https://www.adobe.com/

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