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CVE-2026-78147— ggml-org llama.cpp ggml-RPC Server ggml-rpc.cpp deserialize_tensor deserialization

Quick assessment

Affected
ggml-org llama.cpp
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 ggml-org llama.cpp 的 bec4772f6 版本中发现了一个漏洞。受影响的元素是 ggml-RPC Server 组件中 ggml/src/ggml-rpc/ggml-rpc.cpp 文件里的 函数。通过对参数 / 进行操控，可导致反序列化行为。此漏洞可由远程发起攻击。该漏洞不同于 CVE-2026-34159（GHSA-j8rj-fmpv-wcxw，PR #20908），后者仅在 函数中增加了对 的检查，但并未对 或 进行验证。相关的 GitHub 问题因不活跃而自动关闭。

CVSS 7.3 · High EPSS 0.43% · P36

Affected Version Matrix 1

VendorProduct Version RangeStatus
ggml-org llama.cpp bec4772f6 affected
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I. Basic Information for CVE-2026-78147

Vulnerability Information
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Vulnerability Title
ggml-org llama.cpp ggml-RPC Server ggml-rpc.cpp deserialize_tensor deserialization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in ggml-org llama.cpp bec4772f6. The impacted element is the function deserialize_tensor of the file ggml/src/ggml-rpc/ggml-rpc.cpp of the component ggml-RPC Server. Performing a manipulation of the argument op/op_params results in deserialization. The attack may be initiated remotely. This vulnerability is distinct from CVE-2026-34159 (GHSA-j8rj-fmpv-wcxw, PR #20908), which only added a buffer==nullptr rejection in create_node() and does not validate op or op_params. 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:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ggml-org llama.cpp bec4772f6 cpe:2.3:a:ggml-org:llama.cpp:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-78147

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9174 chars
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III. Intelligence Information for CVE-2026-78147

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Vendor Advisories for CVE-2026-78147 (2)

Proof of Concept for CVE-2026-78147 (1)

Other References for CVE-2026-78147 (1)

IV. Related Vulnerabilities

Same product: llama.cpp
Same vendor: ggml-org
Same weakness: CWE-502

V. Comments for CVE-2026-78147

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