{"ok":true,"trend":{"id":363643,"platform":"mastodon","region":"global","key":"🔴 cve-2026-8066 - critical (9.1) a directory traversal vulnerability in the file upload functionality of hitachi energy","title":"🔴 CVE-2026-8066 - Critical (9.1) A directory traversal vulnerability in the file upload functionality of Hitachi Energy","url":"https://mastodon.social/@thehackerwire/117354588215441327","first_seen":"2026-09-29T13:37:49.004151Z","last_seen":"2026-09-29T13:37:49.004151Z","last_rank":12,"peak_rank":12,"last_volume":0,"peak_volume":0,"seen_count":1,"score":0.66078125,"category_hint":"cybersecurity","section":"technology","category":"cybersecurity","summary":"A critical vulnerability, tracked as CVE-2026-8066 and scored 9.1, has been disclosed in the file upload functionality of Hitachi Energy's RTU500 remote terminal units. The flaw, which affects end-of-life versions of the device, allows an unauthenticated attacker to write or overwrite arbitrary files on the device file system through directory traversal, potentially compromising industrial control systems.","why":"The critical severity score and unauthenticated exploitation of an industrial control device raise immediate security concerns for infrastructure operators.","tone":"negative","entities":["Hitachi Energy","CVE-2026-8066","RTU500"],"summarized_at":"2026-09-29T13:39:57.138689Z","meta":{"tag":"infosec","via":"scan","kind":"status","lang":"en","instance":"mastodon.social","tag_uses":1047},"nw":null,"promo":null,"kind":null,"importance":null,"hidden":false,"hide_reason":null,"judged_at":null,"title_en":"Critical directory traversal flaw reported in Hitachi Energy RTU500","section_name":"Technology","category_name":"Cybersecurity","timeline":[{"captured_at":"2026-09-29T13:37:49.004151Z","rank":12,"volume":0}],"posts":[{"platform":"mastodon","url":"https://mastodon.social/@thehackerwire/117354588215441327","author":"thehackerwire","title":null,"snippet":"🔴 CVE-2026-8066 - Critical (9.1) A directory traversal vulnerability in the file upload functionality of Hitachi Energy RTU500 end-of-life versions allows an unauthenticated attacker to write or overwrite arbitrary files on the device file system. Depending on the files…","posted_at":"2026-09-29T13:35:07.098000Z","likes":0}],"elsewhere":[],"window":"7d"}}