{"id":"EM-20261105-LIA4","url":"https://cyber.eventmonitor.net/incident/EM-20261105-LIA4/stable-diffusion-cpp-vulnerability-cve-2026-70659/","type":"cve","title":"stable-diffusion.cpp Vulnerability (CVE-2026-70659)","subtitle":"CVE-2026-70659","subject":"CVE-2026-70659","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-05T16:17:48.047Z","firstSignal":"2026-11-05T15:26:33.000Z","lastSignal":"2026-11-05T16:17:48.047Z","updated":"2026-11-06T12:16:45.734Z","revision":1,"life":[{"status":"Born","at":"2026-11-05T16:17:48.047Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-05T16:17:48.047Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-05T15:26:33.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-05T16:17:48.047Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261105-LIA4 created."}],"stages":[{"name":"Disclosed","at":"2026-11-05T16:17:48.047Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-05T16:17:48.047Z","detail":"CVSS 7.8"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-05T15:26:33.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-05T15:26:33.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-70659 (important)","text":"stable-diffusion.cpp: stable-diffusion.cpp: Arbitrary code execution via crafted imatrix file","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-70659.json"},{"at":"2026-11-05T16:17:48.047Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-70659 (CVSS 7.8)","text":"stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inference. From master-742-1a13107 until master-763-4fcc6fe, IMatrixCollector::load_imatrix in src/runtime/imatrix.cpp reuses the values and counts vectors for entries with the same tensor name but resizes them only when they are empty. An untrusted .imatrix file can provide a small nval for the first entry and a larger nval for a second entry with the same name, causing the accumulation loop to write attacker-controlled floating-point and integer values…","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70659"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-05T16:17:48.047","score":7.8,"severity":"HIGH","desc":"stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inference. From master-742-1a13107 until master-763-4fcc6fe, IMatrixCollector::load_imatrix in src/runtime/imatrix.cpp reuses the values and counts vectors for…","product":"","seen":1793905338609},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}