{"id":"CVE-2026-47206","summary":"Dragonfly: RESP Protocol Injection via Lua redis.error_reply() in EvalSerializer","details":"Dragonfly is an in-memory data store built for modern application workloads. Prior to 1.39.9, Dragonfly has a RESP Protocol Injection via Lua redis.error_reply() in EvalSerializer. An authenticated user can inject arbitrary RESP messages into the connection's response stream, potentially causing response desynchronization in connection-pool clients. This vulnerability is fixed in 1.39.9.","aliases":["GHSA-h77h-c6hc-qc9h"],"modified":"2026-10-21T10:07:29.347403040Z","published":"2026-06-26T16:39:27.710Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"range":[{"fixed":"1.38.9"}],"source":"AFFECTED_FIELD","strategy":"StringRangeExpression"}]}],"cna_assigner":"GitHub_M","cwe_ids":["CWE-116"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47206.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47206.json"},{"type":"ADVISORY","url":"https://github.com/dragonflydb/dragonfly/security/advisories/GHSA-h77h-c6hc-qc9h"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47206"},{"type":"REPORT","url":"https://github.com/dragonflydb/dragonfly/issues/7328"},{"type":"FIX","url":"https://github.com/dragonflydb/dragonfly/pull/7332"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dragonflydb/dragonfly","events":[{"introduced":"0"},{"fixed":"5ef351828fdd84969b3796183fe612a19fa3685a"}],"database_specific":{"extracted_events":[{"source":"DESCRIPTION","range":[{"introduced":"0"},{"fixed":"1.39.9"}]}]}}],"versions":["i1.39.8","i1.39.6","i1.39.4","i1.39.2","v1.39.0","v1.38.0","v1.37.0","v1.36.0","i1.36.3","i1.36.2","v1.32.0","i1.36.1","v1.35.0","v1.34.0","i1.33.3","v1.33.0","v1.31.0","v1.30.0","v1.29.0","v1.28.0","v1.27.0","v1.26.0","v1.24.0","v1.23.0","v1.22.0","v1.21.0","v1.20.0","v1.19.0","v1.18.0","v1.17.0","v1.16.0","v1.15.0","w0.1","v1.14.0","v1.13.0","v1.12.0","v1.11.0","v1.9.0","v1.8.0","v1.7.1","v1.7.0","v1.6.0","v1.5.0","v1.4.0","v1.3.0","v1.2.1","v1.2.0","v1.1.2","v1.1.1","v1.1.0","v1.0.0","v0.17.0","v0.16.0","v0.15.0","v0.14.0","v0.13.1","v0.13.0","v0.12.0","v0.11.0","v0.10.0","v0.9.1","v0.9.0","v0.8.0","v0.7.0","v0.6.0","v0.5.0","v0.4.0","v0.3.1","v0.3.0","v0.3.0-alpha","v0.2.0","v0.1.0"],"database_specific":{"vanir_signatures_modified":"2026-10-21T10:07:29Z","source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-47206.json","vanir_signatures":[{"id":"CVE-2026-47206-1c8e2cf3","signature_type":"Function","signature_version":"v1","source":"https://github.com/dragonflydb/dragonfly/commit/5ef351828fdd84969b3796183fe612a19fa3685a","target":{"function":"Connection::AsyncFiber","file":"src/facade/dragonfly_connection.cc"},"deprecated":false,"digest":{"length":2832,"function_hash":"229323004863890121984529124911437034838"}},{"id":"CVE-2026-47206-59c46099","signature_type":"Line","signature_version":"v1","source":"https://github.com/dragonflydb/dragonfly/commit/5ef351828fdd84969b3796183fe612a19fa3685a","target":{"file":"src/facade/dragonfly_connection.cc"},"deprecated":false,"digest":{"line_hashes":["263562702873035761730532931935192890013","326566862618178714995022668589183024804","287231649063458370136122393009005213180","86333064380027142819381964068185099079","182377582622566868341236814481443499530","78895754135994171018445635295643845655","162044004385999223837039357144306354297"],"threshold":0.9}}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"}]}