Vulnerability in Ggml-Org Llama.cpp
CVE-2026-86317
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.007 (52.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003
Affected products
- Ggml-Org Llama.cpp — versions 0.1, 0.2, 0.3
Weakness classification (CWE)
References
- vuldb.com/vuln/399508 (technical-description, vdb-entry)
- vuldb.com/vuln/399508/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-86317 (third-party-advisory)
- vuldb.com/submit/908271 (third-party-advisory)
- github.com/ggml-org/llama.cpp/issues/25288 (issue-tracking)
- github.com/ggml-org/llama.cpp/ (product)
Frequently asked questions
- What is CVE-2026-86317?
- CVE-2026-86317 is a medium-severity vulnerability in Ggml-Org Llama.cpp, classified under Reachable Assertion. CVSS score: 5.3/10. Published 2026-09-07.
- How severe is CVE-2026-86317?
- Medium severity. CVSS v3 base score is 5.3 out of 10.