CVE-2026-10199: Assimp glTF2Asset.h LazyDict null pointer dereference

Severity: low (CVSS 3.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-31 · updated 2026-07-22
Weakness: CWE-404

Description

A vulnerability has been found in Assimp up to 6.0.4. Affected by this issue is the function glTF2::LazyDict in the library glTF2Asset.h. Such manipulation of the argument operator[] leads to null pointer dereference. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The name of the patch is d24b85319bd70c65883a2b96613e07e23fb95981. It is best practice to apply a patch to resolve this issue.

Affected products

Assimp: 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4

References

https://github.com/assimp/assimp/
https://github.com/assimp/assimp/commit/d24b85319bd70c65883a2b96613e07e23fb95981
https://github.com/assimp/assimp/issues/6611
https://github.com/assimp/assimp/pull/6646
https://github.com/user-attachments/files/27194148/poc.zip
https://vuldb.com/cve/CVE-2026-10199
https://vuldb.com/submit/821179
https://vuldb.com/vuln/367479
https://vuldb.com/vuln/367479/cti

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