SB2026052158 - Multiple vulnerabilities in Adobe Substance 3D Designer
Published: May 21, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 vulnerabilities.
1) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2026-34664)
CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to read arbitrary files.
The vulnerability exists due to server-side request forgery in Adobe Substance 3D Designer when processing attacker-controlled content. A remote attacker can supply crafted input to trigger arbitrary file system read.
User interaction is required to open or process crafted content.
2) Out-of-bounds write (CVE-ID: CVE-2026-34681)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to out-of-bounds write in Adobe Substance 3D Designer when parsing crafted content. A remote attacker can provide crafted input to execute arbitrary code.
User interaction is required to open or process crafted content.
3) Out-of-bounds write (CVE-ID: CVE-2026-34682)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to out-of-bounds write in Adobe Substance 3D Designer when parsing crafted content. A remote attacker can provide crafted input to execute arbitrary code.
User interaction is required to open or process crafted content.
4) Out-of-bounds write (CVE-ID: CVE-2026-34683)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to out-of-bounds write in Adobe Substance 3D Designer when parsing crafted content. A remote attacker can provide crafted input to execute arbitrary code.
User interaction is required to open or process crafted content.
5) Out-of-bounds write (CVE-ID: CVE-2026-34684)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to out-of-bounds write in Adobe Substance 3D Designer when parsing crafted content. A remote attacker can provide crafted input to execute arbitrary code.
User interaction is required to open or process crafted content.
Remediation
Install update from vendor's website.