CVE-2026-116502

turboderp-org ExLlamaV2 GPTQ Index q_matrix.cu make_sequential out-of-bounds write

MEDIUM
4.4
CVSS Score
Published: October 26, 2026 at 08:15 PM UTC
Updated: October 27, 2026 at 02:52 PM UTC
1 product affected across 1 vendorExLlamaV2

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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/426401
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/426401/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-116502
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/1022425

CVSS

4.4MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-787CWE-119

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