VulnerabilityPublished 1 Sep 2025Updated 18 Jul 2026

s4-client (RubyGems) · Malicious Code

Affects s4-clientSource GCVE Database

Severity

High

Rated by Threat Radar

Data as of 18 Jul 2026, 22:30 UTC

What to do

Affected software

Product	Affected	Fixed in
RubyGemss4-client	Affected =1.2.1.r10ab0de	Fixed in–

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AI-suggested

Until a fix or official guidance is available, avoid using the affected version (=1.2.1.r10ab0de) of the 's4-client' package. Consider removing or replacing this package with a trusted alternative.

Description

The RubyGems package 's4-client' version 1.2.1.r10ab0de has been identified as malicious by the OpenSSF Package Analysis project. This package executes one or more commands associated with malicious behavior. There is no CVSS score available for this threat. No official patch or remediation guidance is provided in the available data.

Impact

Use of the affected 's4-client' package version may lead to execution of malicious commands, potentially compromising the security of systems that install or run this package. The exact impact is not detailed, but the presence of malicious code implies risk of unauthorized actions or system compromise.

Summary

The 's4-client' RubyGems package at version 1.2.1.r10ab0de is flagged as malicious due to its execution of commands linked to malicious activity. This classification comes from the OpenSSF Package Analysis project and is documented under MAL-2025-46963. No further technical details on the nature of the malicious commands or exploitation methods are provided. There is no indication of known exploits in the wild or vendor advisories addressing this issue.

References

github.com/advisories/GHSA-wgwq-675q-4fwc (opens in a new tab)

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What to do

Affected software

Description

AI analysisMachine-generated, updated 18 Jul 2026, 22:30 UTC

Technical details

References

Community reviews