{"id":"CVE-2026-77375","aliases":["GHSA-q7pc-356p-hggc","GO-2026-6792"],"url":"https://o3.security/vulnerability/CVE-2026-77375","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.","published":"2026-10-13T14:52:46.056Z","modified":"2026-10-21T02:59:48.806031959Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Go","name":"github.com/drakkan/sftpgo/v2","fixedVersion":"2.7.5"}],"fix":{"url":"https://github.com/drakkan/sftpgo/commit/4f751232d7025cf2f7360e01ee8dca81e74b48b0","label":"drakkan/sftpgo@4f75123"},"references":[{"type":"WEB","url":"https://github.com/drakkan/sftpgo/releases/tag/v2.7.5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77375.json"},{"type":"ADVISORY","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":"FIX","url":"https://github.com/drakkan/sftpgo/commit/4f751232d7025cf2f7360e01ee8dca81e74b48b0"},{"type":"PACKAGE","url":"https://github.com/drakkan/sftpgo"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-21T02:59:48.806031959Z"}}