{"id":"CVE-2026-52856","state":"PUBLISHED","title":"Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service","description":"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.","publishedAt":"2026-07-31T16:20:31.222Z","updatedAt":"2026-07-31T18:57:35.513Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["pterodactyl wings"],"affected":[{"vendor":"pterodactyl","product":"wings","versions":[{"version":"< 1.13.0","status":"affected"}]}],"references":["https://github.com/pterodactyl/wings/security/advisories/GHSA-ghrq-5wpp-hxx5","https://github.com/pterodactyl/wings/commit/8e49c7c0eda815d3ada171831876a1c14c493026","https://github.com/pterodactyl/wings/releases/tag/v1.13.0"],"weaknesses":["CWE-248","CWE-617","CWE-129","CWE-755"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/52xxx/CVE-2026-52856.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-52856","state":"PUBLISHED","datePublished":"2026-07-31T16:20:31.222Z","dateUpdated":"2026-07-31T18:57:35.513Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-08T18:41:27.724Z"},"containers":{"cna":{"title":"Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"pterodactyl","product":"wings","versions":[{"version":"< 1.13.0","status":"affected"}]}],"references":[{"url":"https://github.com/pterodactyl/wings/security/advisories/GHSA-ghrq-5wpp-hxx5","name":"https://github.com/pterodactyl/wings/security/advisories/GHSA-ghrq-5wpp-hxx5","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/pterodactyl/wings/commit/8e49c7c0eda815d3ada171831876a1c14c493026","name":"https://github.com/pterodactyl/wings/commit/8e49c7c0eda815d3ada171831876a1c14c493026","tags":["x_refsource_MISC"]},{"url":"https://github.com/pterodactyl/wings/releases/tag/v1.13.0","name":"https://github.com/pterodactyl/wings/releases/tag/v1.13.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-248","lang":"en","description":"CWE-248: Uncaught Exception","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-617","lang":"en","description":"CWE-617: Reachable Assertion","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-129","lang":"en","description":"CWE-129: Improper Validation of Array Index","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-755","lang":"en","description":"CWE-755: Improper Handling of Exceptional Conditions","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-31T16:20:31.222Z"},"source":{"advisory":"GHSA-ghrq-5wpp-hxx5","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-31T18:57:27.226859Z","id":"CVE-2026-52856","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-31T18:57:35.513Z"}}]}}}