What’s Vulnerable › Vulnerabilities

CVE-2026-82591: Open Asset Import Library Assimp MD5Loader.cpp MakeDataUnique heap-based overflow

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-30 · updated 2026-09-01
• Weakness: CWE-119

Description

A security vulnerability has been detected in Open Asset Import Library Assimp up to 6.0.2. The impacted element is the function MD5Importer::MakeDataUnique of the file code/AssetLib/MD5/MD5Loader.cpp. The manipulation of the argument iNewIndex leads to heap-based buffer overflow. The attack can only be performed from a local environment. The identifier of the patch is bf9dabb617c46e5133dac65cca6bff177917afcb. Applying a patch is the recommended action to fix this issue.

Affected products

• Open Asset Import Library Assimp: 6.0.0, 6.0.1, 6.0.2

References

• https://github.com/assimp/assimp/commit/bf9dabb617c46e5133dac65cca6bff177917afcb
• https://github.com/assimp/assimp/pull/6718
• https://vuldb.com/cve/CVE-2026-82591
• https://vuldb.com/submit/892413
• https://vuldb.com/vuln/397086
• https://vuldb.com/vuln/397086/cti

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