CVE-2026-78147

HIGH 7.3

ggml-org llama.cpp ggml-RPC Server ggml-rpc.cpp deserialize_tensor deserialization

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-502 CWE-20
Vendor	ggml-org
Product	llama.cpp
Published	Aug 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

ggml-org / llama.cpp

bec4772f6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/394534 vuldb.com: https://vuldb.com/vuln/394534/cti vuldb.com: https://vuldb.com/cve/CVE-2026-78147 vuldb.com: https://vuldb.com/submit/882534 github.com: https://github.com/ggml-org/llama.cpp/issues/25289 github.com: https://github.com/ggml-org/llama.cpp/

Credits

🔍 m00dy (VulDB User) VulDB CNA Team