{"id":"CVE-2026-52856","aliases":["GHSA-ghrq-5wpp-hxx5","GO-2026-6156"],"url":"https://o3.security/vulnerability/CVE-2026-52856","summary":"Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service","details":"Wings is the server control plane for Pterodactyl, a free, open-source game server management panel. Prior to 1.13.0, a malformed packet received during the SFTP connection handshake causes a Go panic. This issue is fixed in version 1.13.0.","published":"2026-07-31T16:20:31.222Z","modified":"2026-09-12T03:30:43.915898726Z","cvss":{"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"},"epss":{"score":0.00335,"percentile":0.26508,"asOf":"2026-09-13"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/pterodactyl/wings","fixedVersion":"1.13.0"}],"fix":{"url":"https://github.com/pterodactyl/wings/commit/8e49c7c0eda815d3ada171831876a1c14c493026","label":"pterodactyl/wings@8e49c7c"},"references":[{"type":"WEB","url":"https://github.com/pterodactyl/wings/releases/tag/v1.13.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52856.json"},{"type":"ADVISORY","url":"https://github.com/pterodactyl/wings/security/advisories/GHSA-ghrq-5wpp-hxx5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52856"},{"type":"FIX","url":"https://github.com/pterodactyl/wings/commit/8e49c7c0eda815d3ada171831876a1c14c493026"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-12T03:30:43.915898726Z"}}