CVE-2026-112018 cgltf - Out of Bounds Read/Write

cgltf through 1.15 contains a heap out-of-bounds write caused by unchecked sparse accessor indices in cgltf_accessor_unpack_floats(), letting attackers write outside the output buffer, exploit requires crafted glTF or GLB file and cgltf_validate() not called.

CVSS base score 7.0 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Out-of-bounds Read/Write
Impact
Remote Code Execution, Denial of Service
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
18 October 2026
Updated
19 October 2026
Weakness
CWE-787

Vendor fix

Update to the latest version beyond 1.15 where this issue is fixed.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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