{"id":"EM-20261030-ZOPI","url":"https://cyber.eventmonitor.net/incident/EM-20261030-ZOPI/","type":"cve","title":"Hydra Vulnerability (CVE-2026-62162)","subtitle":"CVE-2026-62162","subject":"CVE-2026-62162","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-10-30T19:18:32.630Z","firstSignal":"2026-10-30T18:30:20.000Z","lastSignal":"2026-10-30T19:18:32.630Z","updated":"2026-11-04T14:43:58.877Z","revision":1,"life":[{"status":"Born","at":"2026-10-30T19:18:32.630Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-10-30T19:18:32.630Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-10-30T18:30:20.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-10-30T19:18:32.630Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261030-ZOPI created."}],"stages":[{"name":"Disclosed","at":"2026-10-30T19:18:32.630Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-10-30T19:18:32.630Z","detail":"CVSS 8.2 · EPSS 0.4%"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-10-30T18:30:20.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-10-30T18:30:20.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-62162 (important)","text":"hydra: Hydra: Theft of pending deposits via improper transaction validation","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-62162.json"},{"at":"2026-10-30T19:18:32.630Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-62162 (CVSS 8.2)","text":"Hydra is a layer-two scalability solution for Cardano. Prior to 2.1.0, the `Claim` branch in `hydra-plutus/validators/deposit.ak` checks only that `datum.head_id` matches the attacker-controlled `redeemer.currencySymbol` and that the transaction is valid before the deposit deadline. It neither requires spending the Head state-token UTxO in the same transaction nor constrains outputs. After a deposit made through `POST /commit` is confirmed, any third party able to build a Cardano transaction can observe and consume the pending deposit UTxO before its deadline and redirect the assets to an arbi","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-62162"}],"crowd":[],"reference":{"nvd":{"published":"2026-10-30T19:18:32.630","score":8.2,"severity":"HIGH","desc":"Hydra is a layer-two scalability solution for Cardano. Prior to 2.1.0, the `Claim` branch in `hydra-plutus/validators/deposit.ak` checks only that `datum.head_id` matches the attacker-controlled `redeemer.currencySymbol` and that the transaction is valid before the deposit deadline. It neither requi","product":"","seen":1793803438877},"kev":null,"epss":{"epss":0.00367,"pct":0.30731,"at":1793803438877},"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}