{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-117603 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2026-117603 is a critical vulnerability in spesmilo electrum, published on 27 Oct 2026."},"fix_prompt":"Check this codebase for CVE-2026-117603 and fix it if it is affected.\n\nWhat it is: CVE-2026-117603 is a critical vulnerability in spesmilo electrum, published on 27 Oct 2026. \nExploitation: There is no known exploitation of CVE-2026-117603 in the wild and no public exploit code.\n\nAffected product: spesmilo electrum. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-117603/ (Markdown: https://insights.sbomify.com/CVE-2026-117603/index.md)","id":"CVE-2026-117603","markdown":"https://insights.sbomify.com/CVE-2026-117603/index.md","name":"CVE-2026-117603","record":{"aliases":["DEBIAN-CVE-2026-117603","GHSA-98mp-7r7x-725c","GHSA-q7m2-785w-r585"],"analysis":null,"analysis_generated_by":null,"assigner":"VulnCheck","cpe":[],"cvss":{"score":9.3,"severity":"critical","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-367","name":"Time-of-check Time-of-use (TOCTOU) Race Condition"}],"description":"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.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Electrum before 4.7.2 Nostr Wallet Connect Plugin Daily Spending Limit Bypass","id":"CVE-2026-117603","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":null,"year":"2026"},"n_packages":0,"n_references":4,"next":{"headline":"Grav from 1.7.53.3 before 1.7.53.6 Clockwork Profiler Authorization Bypass via Loopback Fallback","id":"CVE-2026-117604"},"packages":[],"prev":{"headline":"Electrum before 4.7.2 External Plugin Authorization Bypass Local Code Execution","id":"CVE-2026-117602"},"products":["electrum"],"published":"2026-10-27","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2026-10-27","vendors":["spesmilo"]},"summary":null,"url":"https://insights.sbomify.com/CVE-2026-117603/"}