{"id":"EM-20261105-PGAW","url":"https://cyber.eventmonitor.net/incident/EM-20261105-PGAW/h5io-vulnerability-cve-2026-120499/","type":"cve","title":"h5io Vulnerability (CVE-2026-120499)","subtitle":"CVE-2026-120499","subject":"CVE-2026-120499","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-05T17:18:00.097Z","firstSignal":"2026-11-05T16:55:32.000Z","lastSignal":"2026-11-05T17:18:00.097Z","updated":"2026-11-06T12:16:45.734Z","revision":1,"life":[{"status":"Born","at":"2026-11-05T17:18:00.097Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-05T17:18:00.097Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-05T16:55:32.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-05T17:18:00.097Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261105-PGAW created."}],"stages":[{"name":"Disclosed","at":"2026-11-05T17:18:00.097Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-05T17:18:00.097Z","detail":"CVSS 8.5"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-05T16:55:32.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-05T16:55:32.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-120499 (important)","text":"h5io: h5io: Arbitrary code execution via crafted HDF5 file","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-120499.json"},{"at":"2026-11-05T17:18:00.097Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-120499 (CVSS 8.5)","text":"h5io before 0.2.6 contains a code injection vulnerability in read_hdf5() that allows attackers to execute arbitrary code by supplying a crafted HDF5 file. Attackers can store Python code in a node titled timezone, which _triage_read() passes to eval() with builtins reachable, name an arbitrary module in class or custom-object nodes that _import_class() imports, or place pickled objects in pd_dataframe or pd_series nodes that pandas deserializes on read.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120499"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-05T17:18:00.097","score":8.5,"severity":"HIGH","desc":"h5io before 0.2.6 contains a code injection vulnerability in read_hdf5() that allows attackers to execute arbitrary code by supplying a crafted HDF5 file. Attackers can store Python code in a node titled timezone, which _triage_read() passes to eval() with builtins reachable, name an arbitrary…","product":"","seen":1793917591435},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}