{"schema":"threatline.record/2","record":{"id":"CVE-2026-77375","aliases":["GHSA-q7pc-356p-hggc","GO-2026-6792"],"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.","categories":["Libraries & packages"],"product":"github.com/drakkan/sftpgo/v2","vendor":"drakkan","ecosystem":"go","affected_ranges":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-q7pc-356p-hggc","source_modified_at":"2026-10-15T20:14:21Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"go","name":"github.com/drakkan/sftpgo/v2"},"range":"<= 2.7.4"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-77375","source_modified_at":"2026-10-13T15:24:59.888Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"sftpgo","vendor":"drakkan","versions":[{"version":"< 2.7.5","status":"affected"}],"defaultStatus":null},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-q7pc-356p-hggc","source_modified_at":"2026-10-19T21:40:57.524374779Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"Go","name":"github.com/drakkan/sftpgo/v2","purl":"pkg:golang/github.com/drakkan/sftpgo/v2"},"ranges":[{"events":[{"introduced":"0"},{"fixed":"2.7.5"}],"type":"SEMVER"}],"versions":[]}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-q7pc-356p-hggc","source_modified_at":"2026-10-15T20:14:21Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"go","name":"github.com/drakkan/sftpgo/v2"},"version":"2.7.5"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-q7pc-356p-hggc","source_modified_at":"2026-10-19T21:40:57.524374779Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"Go","name":"github.com/drakkan/sftpgo/v2","purl":"pkg:golang/github.com/drakkan/sftpgo/v2"},"version":"2.7.5"}],"cvss":6.5,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00308,"percentile":0.2244,"score_date":"2026-10-23"},"published_at":"2026-10-13T14:52:46.056Z","modified_at":"2026-10-19T21:40:57.524374779Z","provenance":[{"source":"GitHub Advisory Database","url":"https://github.com/advisories/GHSA-q7pc-356p-hggc","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-15T20:14:21Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-77375","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-13T15:24:59.888Z"},{"source":"OSV","url":"https://osv.dev/vulnerability/GHSA-q7pc-356p-hggc","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-19T21:40:57.524374779Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-77375","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["GitHub Advisory Database","CVE List","OSV","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/drakkan/sftpgo/security/advisories/GHSA-q7pc-356p-hggc","tags":["x_refsource_CONFIRM"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77375","source":"GitHub Advisory Database"},{"source":"CVE List","url":"https://github.com/drakkan/sftpgo/commit/4f751232d7025cf2f7360e01ee8dca81e74b48b0","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/drakkan/sftpgo/releases/tag/v2.7.5","tags":["x_refsource_MISC"]},{"url":"https://github.com/advisories/GHSA-q7pc-356p-hggc","source":"GitHub Advisory Database"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-13T15:24:50.582404Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"ecosystem","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T21:40:57.524374779Z","content_hash":"e3e236c68d88565a0b42d7c9961becd129749b9a3851290973358575f2dfbd84"}}