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CVE-2026-86317— ggml-org llama.cpp RPC Server ggml-rpc.cpp deserialize_tensor assertion

Quick assessment

Affected
ggml-org llama.cpp
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.

ggml llama.cpp是ggml组织的一个在本地执行大语言模型推理的引擎。 ggml llama.cpp 0.4.0及之前版本存在异常处理不当漏洞，该漏洞源于RPC Server组件中ggml/src/ggml-rpc/ggml-rpc.cpp文件里的rpc_server::deserialize_tensor函数对参数ne的错误操作，可能导致可达断言，攻击者可远程利用。

CVSS 5.3 · Medium EPSS 0.40% · P34

Affected Version Matrix 4

VendorProduct Version RangeStatus
ggml-org llama.cpp 0.1 affected
0.2 affected
0.3 affected
0.4.0 affected
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I. Basic Information for CVE-2026-86317

Vulnerability Information
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Vulnerability Title
ggml-org llama.cpp RPC Server ggml-rpc.cpp deserialize_tensor assertion
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in ggml-org llama.cpp up to 0.4.0. This impacts the function rpc_server::deserialize_tensor of the file ggml/src/ggml-rpc/ggml-rpc.cpp of the component RPC Server. Performing a manipulation of the argument ne results in reachable assertion. The attack is possible to be carried out remotely. The reported GitHub issue was closed automatically due to inactivity.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
ggml llama.cpp 异常处理不当漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ggml llama.cpp是ggml组织的一个在本地执行大语言模型推理的引擎。 ggml llama.cpp 0.4.0及之前版本存在异常处理不当漏洞，该漏洞源于RPC Server组件中ggml/src/ggml-rpc/ggml-rpc.cpp文件里的rpc_server::deserialize_tensor函数对参数ne的错误操作，可能导致可达断言，攻击者可远程利用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ggml-org llama.cpp 0.1 cpe:2.3:a:ggml-org:llama.cpp:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-86317

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III. Intelligence Information for CVE-2026-86317

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Vendor Advisories for CVE-2026-86317 (1)

Proof of Concept for CVE-2026-86317 (1)

Other References for CVE-2026-86317 (3)

IV. Related Vulnerabilities

Same product: llama.cpp
Same vendor: ggml-org
Same weakness: CWE-617

V. Comments for CVE-2026-86317

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