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Vulnerabilities

Vulnerability · MAL-2026-17793

Malicious code in perp-funding-rates (RubyGems)

Published Oct 11, 2026 · catalog updated Oct 13, 2026 · Malicious code in perp-funding-rates

Open the advisory

Exploitation likelihood is not on this record for MAL-2026-17793. A missing EPSS score is not a low risk. Compare Malicious code in perp-funding-rates with the linked advisory before you change production.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Malicious code in perp-funding-rates).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Awaiting synchronization with FIRST
Remediation
Not established
Affected products
RubyGems perp-funding-rates

--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (123418539e0264e9d58c8b51976723aff3eceec10520c231d7bc847edd51d691) The gem's native-extension script ext/perp_funding_rates/extconf.rb contains no real build logic: it declares create_makefile('bitcoin_rpc_lite_native') but ships no C/C++/Rust sources, and the gemspec/library name (perp-funding-rates / PerpFundingRates) does not match the README (bitcoin-rpc-lite) — the extension exists solely to execute code at install time. During , extconf.rb base64-decodes a Ruby payload and eval()s it inside a double-forked, detached, delayed child process. The decoded payload opens a TCP socket to the hardcoded bare-IP C2 at 45.138.12.177:8089 and bridges it to /bin/sh, giving the operator an interactive shell on the installer's machine. Execution is gated by sandbox/CI/user/path/uptime heuristics and only triggers when developer-signal files such as ~/.ssh, ~/.gem/credentials, ~/.gitconfig, ~/.npmrc, or ~/.bundle are present on the host, targeting developer workstations and build systems. The base64+eval obfuscation, 20-40 minute sleep before dial-out, double-fork detachment, and cloned-identity cover story are consistent with a targeted developer-compromise dropper, not a legitimate native build. ## Source: ossf-package-analysis (0ce92e6f21307b92f509ec9ac926330b908f989a4fef9078a51f3557790c8167) The OpenSSF Package Analysis project identified 'perp-funding-rates' @ 0.9.1 (rubygems) as malicious. It is considered malicious because: - The package executes one or more commands associated with malicious behavior.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • RubyGems perp-funding-rates0.9.1

How to fix MAL-2026-17793

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for MAL-2026-17793. A missing EPSS score is not a low risk. Compare Malicious code in perp-funding-rates with the linked advisory before you change production.

Which versions are affected?

Compare what you have installed with 0.9.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS is not on this record yet. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 11, 2026 · OpenSSF OSV / OSV Scanner

    Detected

    --- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (123418539e0264e9d58c8b51976723aff3eceec10520c231d7bc847edd51d691) The gem's native-extension script ext/perp_funding_rates/extconf.rb contains no real build logic: it declares create_makefile('bitcoin_rpc_lite_native') but ships no C/C++/Rust sources, and the gemspec/library name (perp-funding-rates / PerpFund

  2. Oct 13, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    --- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (123418539e0264e9d58c8b51976723aff3eceec10520c231d7bc847edd51d691) The gem's native-extension script ext/perp_funding_rates/extconf.rb contains no real build logic: it declares create_makefile('bitcoin_rpc_lite_native') but ships no C/C++/Rust sources, and the gemspec/library name (perp-funding-rates / PerpFund

Sources

References

Freshness

Last verified in this catalog Oct 13, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.