{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"electrum","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M611157S5X4J3P68STZMXYKB","modified_at":"2026-10-29T23:00:06.913262856Z","published_at":"2026-10-27T14:16:39.947Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-117601","https://security-tracker.debian.org/tracker/CVE-2026-117601"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-117601","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-117601"}],"summary":"Electrum before 4.8.3 fails to verify signatures of wallet-owned inputs in unconfirmed mempool transactions, allowing malicious servers to replace a just-broadcast transaction with a conflicting one."}