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CVE-2026-116502— turboderp-org ExLlamaV2 GPTQ Index q_matrix.cu make_sequential out-of-bounds write

Quick assessment

Affected
turboderp-org ExLlamaV2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 turboderp-org 的 ExLlamaV2 0.3.2 及以下版本中发现了一个漏洞。受影响的组件是 GPTQ 索引处理器，具体涉及文件 中的 函数。若对参数 进行恶意篡改，可能导致越界写入。该攻击需要在本地环境中发起。项目方已通过问题报告提前获知此漏洞，但截至目前尚未作出回应。

CVSS 4.4 · Medium
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I. Basic Information for CVE-2026-116502

Vulnerability Information
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Vulnerability Title
turboderp-org ExLlamaV2 GPTQ Index q_matrix.cu make_sequential out-of-bounds write
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
turboderp-org ExLlamaV2 0.3.0 cpe:2.3:a:turboderp-org:exllamav2:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-116502

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III. Intelligence Information for CVE-2026-116502

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Other References for CVE-2026-116502 (5)

IV. Related Vulnerabilities

Same product: ExLlamaV2
Same vendor: turboderp-org
Same weakness: CWE-787