Adobe Substance3D Designer up to 15.1.0 File path traversal

Summaryinfo

A vulnerability identified as critical has been detected in Adobe Substance3D Designer up to 15.1.0. This issue affects some unknown processing of the component File Handler. The manipulation leads to path traversal. This vulnerability is listed as CVE-2026-34664. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Adobe Substance3D Designer up to 15.1.0. This issue affects some unknown functionality of the component File Handler. 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 confidentiality. The summary by CVE is:

Substance3D - Designer versions 15.1.0 and earlier are affected by an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could lead to arbitrary file system read. An attacker could exploit this vulnerability to access sensitive files and directories outside the intended access scope. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.

It is possible to read the advisory at helpx.adobe.com. The identification of this vulnerability is CVE-2026-34664 since 03/30/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/12/2026). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

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

• Substance3D Designer

Version

• 15.0
• 15.1.0

License

• commercial

Website

• Vendor: https://www.adobe.com/

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