{"id":"GHSA-q7pc-356p-hggc","summary":"SFTPGo: Denial of service via malformed SSH channel request","details":"### Summary\n\nA flaw in the SSH service allows an authenticated client to crash the server by sending a malformed protocol message while opening a channel.\n\n### Impact\n\nAny user able to authenticate over SSH can trigger an unhandled error condition that aborts the server process. This results in a denial of service affecting all connected users until the service is restarted. No confidentiality or integrity impact has been identified; the issue is limited to availability.","aliases":["CVE-2026-77375"],"modified":"2026-10-15T20:30:06.444521538Z","published":"2026-10-15T20:14:20Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-10-15T20:14:20Z","nvd_published_at":"2026-10-13T15:17:49Z","cwe_ids":["CWE-129"],"severity":"MODERATE"},"references":[{"type":"WEB","url":"https://github.com/drakkan/sftpgo/security/advisories/GHSA-q7pc-356p-hggc"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77375"},{"type":"WEB","url":"https://github.com/drakkan/sftpgo/commit/4f751232d7025cf2f7360e01ee8dca81e74b48b0"},{"type":"PACKAGE","url":"https://github.com/drakkan/sftpgo"},{"type":"WEB","url":"https://github.com/drakkan/sftpgo/releases/tag/v2.7.5"}],"affected":[{"package":{"name":"github.com/drakkan/sftpgo/v2","ecosystem":"Go","purl":"pkg:golang/github.com/drakkan/sftpgo/v2"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.7.5"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 2.7.4","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-q7pc-356p-hggc/GHSA-q7pc-356p-hggc.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}