{"id":"CVE-2026-39909","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-39909","summary":"llama.cpp before b8585 contains a use-after-free vulnerability in the RPC server's GRAPH_RECOMPUTE handler that allows unauthenticated remote attackers to achieve arbitrary read and…","details":"llama.cpp before b8585 contains a use-after-free vulnerability in the RPC server's GRAPH_RECOMPUTE handler that allows unauthenticated remote attackers to achieve arbitrary read and write access by storing a computation graph, freeing referenced buffers, and reclaiming freed memory with attacker-controlled content. Attackers can send RPC requests to trigger re-execution of stored graphs with dangling pointers, enabling full remote code execution without requiring authentication or user interaction.","published":"2026-08-21T17:16:30.810","modified":"2026-08-21T17:16:30.810","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/ggml-org/llama.cpp/commit/389c7d4955ba55c7418afaebf7c23d9ed64ef707","label":"ggml-org/llama.cpp@389c7d4"},"references":[{"type":"WEB","url":"https://github.com/ggml-org/llama.cpp/commit/389c7d4955ba55c7418afaebf7c23d9ed64ef707"},{"type":"WEB","url":"https://github.com/ggml-org/llama.cpp/pull/21175"},{"type":"WEB","url":"https://github.com/ggml-org/llama.cpp/releases/tag/b8585"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/llama-cpp-use-after-free-in-rpc-graph-recompute-handler"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-21T17:16:30.810"}}