CVE-2025-53011: AcademySoftwareFoundation MaterialX · NULL Pointer Dereference
Affects AcademySoftwareFoundation MaterialXSource CVE Database V5
Public exploit available · CVSS 2.0 Low · fixed in 1.39.3 : patch AcademySoftwareFoundation MaterialX as a priority.
Data as of 26 Oct 2026, 12:55 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 46% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.39.3
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 1 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
European organizations using MaterialX should immediately upgrade to version 1.39.3 or later to remediate this vulnerability. In addition, implement strict validation and sanitization of all MTLX files before they are processed by any software component. Establish file integrity checks and restrict the sources from which MTLX files can be imported, especially in collaborative environments. Employ sandboxing or containerization techniques for rendering or look-development applications to contain potential crashes and prevent broader system impact. Regularly audit and monitor application logs for unexpected crashes or errors related to shader node parsing. Finally, maintain an up-to-date inventory of software dependencies to ensure timely application of security patches.
Description
MaterialX is an open standard for the exchange of rich material and look-development content across applications and renderers. In version 1.39.2, when parsing shader nodes in a MTLX file, the MaterialXCore code accesses a potentially null pointer, which can lead to crashes with maliciously crafted files. An attacker could intentionally crash a target program that uses MaterialX by sending a malicious MTLX file. This is fixed in version 1.39.3.
References
- github.com/AcademySoftwareFoundation/MaterialX/security/advisories/GHSA-7qw8-3vmf-gj32 (opens in a new tab)
- github.com/AcademySoftwareFoundation/MaterialX/commit/7ac1c71de5187dc29793292b5a8dc6d784192ecf (opens in a new tab)
- github.com/AcademySoftwareFoundation/MaterialX/releases/tag/v1.39.3 (opens in a new tab)
- github.com/ShielderSec/poc/tree/main/CVE-2025-53011 (opens in a new tab)