# CVE-2026-34664: Adobe Substance 3D Designer path traversal in file processing

Source: https://junglewise.ai/threats/cve-2026-34664-adobe-substance-3d-designer-path-traversal-in-file-processing  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-12. Updated: 2026-05-14  
License: CC BY 4.0 with a link back

CVE-2026-34664 · Severity: medium · CVSS 6.3 · Published 2026-05-12

Adobe Substance 3D Designer, a professional tool for creating 3D materials and textures, is affected by a security flaw that could allow unauthorized access to files on a user's computer. To exploit this, an attacker would need to trick a user into opening a specially crafted malicious file. If successful, the attacker could read sensitive information and files that should normally be restricted, potentially compromising private data or intellectual property.

Technologies: [Adobe Substance 3d Designer](https://junglewise.ai/threats/technologies/substance-3d-designer). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe).

## Quick answers

**Is CVE-2026-34664 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-34664 being exploited in the wild.

**How severe is CVE-2026-34664?** Medium severity, with a CVSS score of 6.3, published 12 May 2026.

**Which products and versions are affected?** Adobe Substance 3d Designer 15.1.0 and earlier.

**Is there a fix for CVE-2026-34664?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-34664 attacked?** It is attacked with local access, in a network appliance.

**Am I affected by CVE-2026-34664?** Check whether you run Adobe Substance 3d Designer at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A path traversal vulnerability (CWE-22) exists in Adobe Substance 3D Designer versions 15.1.0 and earlier. The issue stems from improper limitation of pathnames to restricted directories, allowing an attacker to bypass intended access controls. Exploitation requires local access and user interaction, specifically requiring a victim to open a maliciously crafted file. A successful exploit enables the attacker to read arbitrary files from the local file system with the privileges of the application. Adobe has addressed this in newer versions, and the vulnerability is tracked under APSB26-52.

## Affected products

- Adobe Substance 3D Designer 15.1.0 and earlier

## Timeline

- 2026-05-12: advisory: Initial advisory published by Adobe
- 2026-05-12: disclosed

## References

- [https://helpx.adobe.com/security/products/substance3d_designer/apsb26-52.html](https://helpx.adobe.com/security/products/substance3d_designer/apsb26-52.html)

## Related threats

- [Adobe Substance 3D Designer NULL pointer dereference denial-of-service](https://junglewise.ai/threats/cve-2026-103829-substance3d-designer-is-affected-by-a-null-pointer-dereference)
- [Adobe Substance 3D Designer null pointer dereference](https://junglewise.ai/threats/cve-2026-103828-substance3d-designer-is-affected-by-a-null-pointer-dereference)
- [Adobe Substance 3D Designer stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-103827-substance3d-designer-is-affected-by-a-stack-based-buffer)
- [Adobe Substance 3D Designer null pointer dereference](https://junglewise.ai/threats/cve-2026-103826-substance3d-designer-is-affected-by-a-null-pointer-dereference)
- [Adobe Substance 3D Designer out-of-bounds read in file parsing](https://junglewise.ai/threats/cve-2026-103825-substance3d-designer-is-affected-by-an-out-of-bounds-read)