CVE-2026-86288

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

MEDIUM
6.3
CVSS Score
Published: September 7, 2026 at 08:30 AM UTC
Updated: September 8, 2026 at 02:17 PM UTC
1 product affected across 1 vendorGPTQModel

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

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

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

Vendor states this is fixed in 7.3.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (9)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/399447
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/399447/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-86288
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/906135
ExploitIssue Tracking
Source: cverecord
https://github.com/ModelCloud/GPTQModel/issues/2949
Issue TrackingPatch
Source: cverecord
https://github.com/ModelCloud/GPTQModel/pull/2950

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-125CWE-119

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