ModelCloud GPTQModel up to 7.2.0 Triton dequantization kernel tritonv2.py g_idx out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k2.38

Summaryinfo

A vulnerability classified as critical has been found in ModelCloud GPTQModel up to 7.2.0. This issue affects some unknown processing of the file gptqmodel/nn_modules/qlinear/tritonv2.py of the component Triton dequantization kernel. Performing a manipulation of the argument g_idx results in out-of-bounds. This vulnerability is reported as CVE-2026-86288. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in ModelCloud GPTQModel up to 7.2.0. This affects some unknown processing of the file gptqmodel/nn_modules/qlinear/tritonv2.py of the component Triton dequantization kernel. The manipulation of the argument g_idx with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-86288. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

Upgrading to version 7.3.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 877c732f7d7dccd56a729844c6a5bd20f3aa8bb1 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: GPTQModel 7.3.0
Patch: 877c732f7d7dccd56a729844c6a5bd20f3aa8bb1

Timelineinfo

09/06/2026 Advisory disclosed
09/06/2026 +0 days VulDB entry created
09/06/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 2949
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-86288 (🔒)
GCVE (CVE): GCVE-0-2026-86288
GCVE (VulDB): GCVE-100-399447
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/06/2026 17:45
Changes: 09/06/2026 17:45 (64)
Complete: 🔍
Submitter: m00dy
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #906135: ModelCloud GPTQModel <= 7.1.0 Out-of-Bounds Read (by m00dy)

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