{"id":"CVE-2026-56851","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-56851","generatedAt":"2026-10-28T02:24:49.755Z","title":"The Nickname profile can panic with an out-of-bounds slice error when transforming crafted input into a short destination buffer.","description":"The Nickname profile can panic with an out-of-bounds slice error when transforming crafted input into a short destination buffer.","published":"2026-10-07T18:17:21.000Z","lastModified":"2026-10-08T21:35:54.000Z","status":"Deferred","sourceIdentifier":"security@golang.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-787"],"affected":[],"epss":{"score":0.00466,"percentile":0.4005,"date":"2026-10-26","history":[{"date":"2026-10-08","score":0.00155,"percentile":0.04088}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-08T16:15:14.000Z","detail":{"from":null,"score":"7.5","severity":"HIGH","fromSeverity":null},"summary":"Now scored CVSS 7.5 HIGH."},{"kind":"new","label":"New CVE","at":"2026-10-07T18:17:21.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-07T18:17:20.903Z"},"summary":"New CVE, high severity (CVSS 7.5)."}],"references":[{"url":"https://go.dev/cl/793360","source":"security@golang.org"},{"url":"https://go.dev/issue/80112","source":"security@golang.org"},{"url":"https://pkg.go.dev/vuln/GO-2026-6629","source":"security@golang.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-56851","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}