MalwarePublished 7 Jul 2026Updated 24 Sep 2026

zsoutcal1778552831 (RubyGems) · Malicious Code

Affects zsoutcal1778552831Source GCVE Database

Malicious package : remove zsoutcal1778552831 and rotate any secrets on hosts that installed it.

Data as of 26 Oct 2026, 16:06 UTC

Classification

Malicious package

Published to RubyGems · OSV MAL-2026-9791

What to do

Remove zsoutcal1778552831 from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.

Affected software

Product	Affected	Fixed in
RubyGemszsoutcal1778552831`pkg:gem/zsoutcal1778552831`Other threats	Affected =0.0.1	Fixed in–

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Description

--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (995b8b611d41e20d9489a21c91d081d60eb256fea9f0481fefa71ac412889d6a) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zsoutcal1778552831/MAL-2026-9791.json))

Impact

Installation or use of the 'zsoutcal1778552831' RubyGems package version 0.0.1 may lead to execution of malicious code, potentially compromising the security and integrity of affected systems. The exact impact depends on the malicious payload within the package, which is not detailed in the available data. No known active exploitation has been reported.

Defensive guidance

Since this package is identified as malicious, the primary mitigation is to avoid installing or using 'zsoutcal1778552831' version 0.0.1. Remove any existing installations of this package from your environment. Monitor dependency sources and use trusted package repositories.

Summary

The RubyGems package 'zsoutcal1778552831' at version 0.0.1 is classified as a malicious package according to the OpenSSF malicious packages database. This classification indicates that the package contains harmful code that could compromise systems if installed. There is no detailed technical vulnerability description or exploit information available. The package is listed under the MAL-2026-9791 identifier and has no associated CVSS score or vendor advisory.

References

github.com/advisories/GHSA-3vq6-5g4g-9cwf (opens in a new tab)

Community reviews

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What to do

Affected software

Description

AI analysisMachine-generated, updated 18 Jul 2026, 16:48 UTC

Technical details

References

Community reviews