MalwarePublished 7 Jul 2026Updated 24 Sep 2026

zztestownedtmp1 (RubyGems) · Malicious Code

Affects zztestownedtmp1Source GCVE Database

Malicious package : remove zztestownedtmp1 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-2026-9986

What to do

Remove zztestownedtmp1 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
RubyGemszztestownedtmp1`pkg:gem/zztestownedtmp1`Other threats	Affected =0.0.9810	Fixed in–

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Description

--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (52cfa5738ed40f927e55086f736010d3c8801d40adf6bd67c9e46f109d534682) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zztestownedtmp1/MAL-2026-9986.json))

Impact

Use of the malicious package 'zztestownedtmp1' version 0.0.9810 could lead to execution of malicious code within environments that install this package. The specific impact is not detailed, but supply chain malicious packages typically risk code execution, data compromise, or system integrity. No known exploits in the wild have been reported to date.

Defensive guidance

Users should avoid installing or using the 'zztestownedtmp1' package version 0.0.9810. Review dependencies and remove this package if present. Monitor official RubyGems and OpenSSF advisories for updates or remediation instructions.

Summary

The RubyGems package 'zztestownedtmp1' at version 0.0.9810 is classified as a malicious package per the OpenSSF malicious packages repository (MAL-2026-9986). The advisory identifies this package as containing harmful code, but no further technical details or exploit vectors are documented. This is a supply chain threat involving a malicious package in the RubyGems ecosystem.

References

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What to do

Affected software

Description

AI analysisMachine-generated, updated 18 Jul 2026, 16:26 UTC

Technical details

References

Community reviews