CVE-2026-116502

medium

Description

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.

References

https://vuldb.com/vuln/426401/cti

https://vuldb.com/vuln/426401

https://vuldb.com/submit/1022425

https://vuldb.com/cve/CVE-2026-116502

https://github.com/turboderp-org/exllamav2/issues/817

https://github.com/turboderp-org/exllamav2/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-110316

Details

Source: Mitre, NVD

Published: 2026-10-26

Updated: 2026-10-27

Risk Information

CVSS v2

Base Score: 3.2

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:P/A:P

Severity: Low

CVSS v3

Base Score: 4.4

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 4.8

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00152