MalwarePublished 7 Jul 2026Updated 24 Sep 2026

zrzx5c3cc9 (RubyGems) · Malicious Code

Affects zrzx5c3cc9Source GCVE Database

Malicious package : remove zrzx5c3cc9 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-2026-9778

What to do

Remove zrzx5c3cc9 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
RubyGemszrzx5c3cc9`pkg:gem/zrzx5c3cc9`Other threats	Affected =0.0.1	Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (e1fbf93cbd35dcb45e2a6c0a78b96dbd2d739609b50c78ceb27eb9072a0157b5) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zrzx5c3cc9/MAL-2026-9778.json))

Impact

Installation or use of the malicious package 'zrzx5c3cc9' version 0.0.1 could lead to compromise of the affected environment due to the presence of malicious code. The exact impact is not detailed, but malicious packages typically pose risks such as unauthorized code execution, data theft, or system compromise.

Defensive guidance

Since this is a malicious package, the primary mitigation is to avoid installing or using 'zrzx5c3cc9' version 0.0.1. Users should verify package authenticity and source before installation and rely on trusted repositories. Monitoring official advisories for updates is recommended.

Summary

The package 'zrzx5c3cc9' in the RubyGems ecosystem, specifically version 0.0.1, has been identified as malicious according to the OpenSSF malicious packages database. This designation indicates that the package contains harmful code that could compromise systems if installed. There is no CVSS score or detailed vulnerability description available, and no known exploits in the wild have been reported.

References

github.com/advisories/GHSA-qcf8-rr38-72x3 (opens in a new tab)

Community reviews

Loading reviews…

What to do

Affected software

Description

AI analysisMachine-generated, updated 18 Jul 2026, 16:50 UTC

Technical details

References

Community reviews