CVE-2026-116502

CVSS 4.8 (medium) · published 2026-10-26

A flaw has been found in turboderp-org ExLlamaV2 up to 0.3.2. The impacted element is the function QMatrix::make_sequential of the file exllamav2/exllamav2_ext/cuda/q_matrix.cu of the component GPTQ Index Handler. Executing a manipulation of the argument g_idx can lead to out-of-bounds write. The attack needs to be launched locally. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-119, CWE-787

Source: NVD CVE-2026-116502

References

• https://github.com/turboderp-org/exllamav2/
• https://github.com/turboderp-org/exllamav2/issues/817
• https://vuldb.com/cve/CVE-2026-116502
• https://vuldb.com/submit/1022425
• https://vuldb.com/vuln/426401
• https://vuldb.com/vuln/426401/cti

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