CVE-2026-112018
High
Description
cgltf through 1.15 contains a heap out-of-bounds write vulnerability in cgltf_accessor_unpack_floats() that allows attackers to write outside the output buffer via unchecked sparse accessor indices. Attackers can supply a crafted glTF or GLB file with large sparse indices to corrupt heap memory, crash applications, and potentially execute code when cgltf_validate() is not called.
SeverityHigh
CVSS7.0
Exploit probability—
ProductJkuhlmann Cgltf
PublishedOct 18, 2026
First seenOct 18, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| jkuhlmann cgltf | v ≤ 1.15 | — |
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