MalwarePublished 7 Jul 2026Updated 24 Sep 2026

zrzoffice100 (RubyGems) · Malicious Code

Affects zrzoffice100Source GCVE Database

Malicious package : remove zrzoffice100 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-2026-9766

What to do

Remove zrzoffice100 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
RubyGemszrzoffice100`pkg:gem/zrzoffice100`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 (7f82731fe1671b59dad8422448165bc78b9d5c5541677b050e3585e09d12bb91) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zrzoffice100/MAL-2026-9766.json))

Impact

Using or including the 'zrzoffice100' version 0.0.1 package may introduce malicious code into the software supply chain, potentially compromising the integrity and security of dependent applications. No specific exploitation details or impacts are provided, and no known active exploitation has been reported.

Defensive guidance

Users should avoid using the 'zrzoffice100' package version 0.0.1. It is recommended to remove or replace this package with a trusted alternative. Monitor official advisories for any updates or remediation guidance.

Summary

The package 'zrzoffice100' version 0.0.1 in the RubyGems ecosystem is identified as containing malicious code. This classification comes from the OpenSSF malicious packages repository and is cataloged under MAL-2026-9766. There is no CVSS score or detailed vulnerability description available. The threat is categorized as a malicious package rather than a software vulnerability exploitable by traditional means.

References

github.com/advisories/GHSA-6xx9-8h9v-f6g8 (opens in a new tab)

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What to do

Affected software

Description

AI analysisMachine-generated, updated 18 Jul 2026, 16:51 UTC

Technical details

References

Community reviews