{"schema":"threatline.record/2","record":{"id":"CVE-2026-117603","aliases":["GHSA-q7m2-785w-r585"],"summary":"Electrum before 4.7.2 Nostr Wallet Connect Plugin Daily Spending Limit Bypass","details":"Electrum before 4.7.2 contains a spending limit bypass vulnerability in the Nostr Wallet Connect plugin that allows malicious NWC clients to exceed daily_limit_sat by exploiting non-atomic budget checks and millisatoshi truncation. Attackers can send concurrent pay_invoice requests that pass budget_allows_spend() before add_to_budget() runs, or repeatedly pay msat amounts that are floored to whole satoshis, to drain funds beyond the limit.","categories":["Unclassified"],"product":"electrum","vendor":"spesmilo","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-117603","source_modified_at":"2026-10-27T13:09:52.728Z","fetched_at":"2026-10-27T16:27:21.584480Z","product":"electrum","vendor":"spesmilo","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"4.7.2"},{"version":"4.7.2","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-117603","source_modified_at":"2026-10-27T13:09:52.728Z","fetched_at":"2026-10-27T16:27:21.584480Z","package":{"name":"electrum","ecosystem":null},"version":"4.7.2","basis":"first unaffected version stated in the CVE record"}],"cvss":9.3,"severity":"Critical","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-27T13:09:52.728Z","modified_at":"2026-10-27T13:09:52.728Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-117603","fetched_at":"2026-10-27T16:27:21.584480Z","source_modified_at":"2026-10-27T13:09:52.728Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/spesmilo/electrum/security/advisories/GHSA-q7m2-785w-r585","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://github.com/spesmilo/electrum/commit/5222374046d2a92da371d46c79ce0e61e7e2a42d","tags":["patch"]},{"source":"CVE List","url":"https://github.com/spesmilo/electrum/commit/3956bff0684f6060fbe8c823c3ee921928cdcaa5","tags":["patch"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/electrum-before-4.7.2-nostr-wallet-connect-plugin-daily-spending-limit-bypass","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-27T13:09:52.728Z","content_hash":"f59874ddc211db0f416cebd384013ffaf075857544cf59aeed252d27ca28d988"}}