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CVE-2026-108955— Tiiny-AI PowerInfer GGUF ggml.c gguf_init_from_file out-of-bounds

Quick assessment

Affected
Tiiny-AI PowerInfer
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 Tiiny-AI PowerInfer（截至版本 8bd56d69906c9d2dba4d3bf6899763401e01a9a4）中发现了以下漏洞： 受影响的是 GGUF 解析器组件中文件 ggml.c 的 gguf_init_from_file 函数。该函数对参数 data_offset 的操纵会导致越界读取（out-of-bounds read）。攻击者需要本地访问权限才能利用此漏洞。该漏洞的利用代码已被公开披露，可被实际利用。 本产品采用滚动发布模型以持续更新，因此无法提供受影响或已修复版本的具体版本信

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-108955

Vulnerability Information
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Vulnerability Title
Tiiny-AI PowerInfer GGUF ggml.c gguf_init_from_file out-of-bounds
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Tiiny-AI PowerInfer up to 8bd56d69906c9d2dba4d3bf6899763401e01a9a4. Impacted is the function gguf_init_from_file of the file ggml.c of the component GGUF Parser. This manipulation of the argument data_offset causes out-of-bounds read. The attack requires local access. The exploit has been publicly disclosed and may be utilized. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The pull request to fix this issue awaits acceptance.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tiiny-AI PowerInfer 8bd56d69906c9d2dba4d3bf6899763401e01a9a4 cpe:2.3:a:tiiny-ai:powerinfer:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-108955

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III. Intelligence Information for CVE-2026-108955

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Proof of Concept for CVE-2026-108955 (1)

IV. Related Vulnerabilities

Same product: PowerInfer
Same vendor: Tiiny-AI
Same weakness: CWE-125

V. Comments for CVE-2026-108955

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