ModelCloud GPTQModel Triton dequantization kernel tritonv2.py out-of-bounds (CVE-2026-86288) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-86288

ModelCloud GPTQModel Triton dequantization kernel tritonv2.py out-of-bounds

Answer in brief

CVE-2026-86288 records a Unknown severity vulnerability in ModelCloud GPTQModel Triton dequantization kernel tritonv2.py out-of-bounds. The current sources do not mark it as known exploited. The current feed maps ModelCloud/GPTQModel (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 7, 2026Updated Sep 7, 2026Source checked Sep 7, 2026First seen by HOL Sep 7, 2026Material review Sep 7, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps ModelCloud/GPTQModel (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
ModelCloud/GPTQModelgeneric	7.0 \|\| 7.1 \|\| 7.2.0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for ModelCloud/GPTQModel.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 7, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 7, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 7, 2026

Sources and claim methodology

Upstream source description

A vulnerability has been found in ModelCloud GPTQModel up to 7.2.0. This vulnerability affects unknown code of the file gptqmodel/nn_modules/qlinear/tritonv2.py of the component Triton dequantization kernel. Such manipulation of the argument g_idx leads to out-of-bounds read. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 7.3.0 is able to resolve this issue. The name of the patch is 877c732f7d7dccd56a729844c6a5bd20f3aa8bb1. Upgrading the affected component is recommended.

Quoted source text, attributed separately from HOL analysis.