Medium 5.3Published Jun 1, 2026

CVE-2026-10229Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_meshes heap-based overflow

Updated under an hour ago (Oct 27, 2026, 2:23 PM ET)

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It affects n/a Assimp. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

A vulnerability was determined in Assimp up to 6.0.4. This affects the function HL1MDLLoader::read_meshes of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. The project tagged the reported issue as bug.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-122, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Jun 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

n/a Assimp assimp:assimp	6.0.0; 6.0.1; 6.0.2; 6.0.3; 6.0.4	CNA record

References

References

https://vuldb.com/vuln/367508	vdb-entry, technical-description
https://vuldb.com/vuln/367508/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-10229	third-party-advisory
https://vuldb.com/submit/821189	third-party-advisory
https://github.com/assimp/assimp/issues/6614	issue-tracking
https://github.com/user-attachments/files/27194364/poc.zip	exploit
https://github.com/assimp/assimp/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.