Vulnerability · Published Sep 7, 2026 · Assigned by VulDB
CVE-2026-86288ModelCloud GPTQModel Triton dequantization kernel tritonv2.py out-of-bounds
Medium 6.3
In plain English
A medium-severity out-of-bounds read in GPTQModel from ModelCloud. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ModelCloud | GPTQModel | 7.07.17.2.0 |
Weakness: CWE-125, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
References
- VDB-399447 | ModelCloud GPTQModel Triton dequantization kernel tritonv2.py out-of-bounds vdb-entry, technical-description
- VDB-399447 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-86288 | CVE Analysis and Report third-party-advisory
- Submit #906135 | ModelCloud GPTQModel <= 7.1.0 Out-of-Bounds Read third-party-advisory
- https://github.com/ModelCloud/GPTQModel/issues/2949 exploit, issue-tracking
- https://github.com/ModelCloud/GPTQModel/pull/2950 issue-tracking, patch
- https://github.com/ModelCloud/GPTQModel/commit/877c732f7d7dccd56a729844c6a5bd20f3aa8bb1 patch
- https://github.com/ModelCloud/GPTQModel/releases/tag/v7.3.0 patch
- https://github.com/ModelCloud/GPTQModel/ product