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Critical Ruby Vulnerability Enables Remote Code Execution

Critical Ruby Vulnerability Enables Remote Code Execution

First seen 13 Sep 2026, 05:55 UTC • •
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ThreatCluster AI
ThreatCluster •September 13, 2026 at 07:13 UTC

A high-severity vulnerability (CVE-2026-41316) has been identified in Ruby, potentially allowing remote code execution. This affects all users of Ruby versions 3.3, 3.4, and 4.0, as well as ERB users. The vulnerability was published on April 24, 2026, and a patch was released on September 12, 2026. No known workarounds are available at this time, making immediate updates essential for affected systems. The vulnerability has raised significant concerns due to its potential impact on a wide range of applications that utilize Ruby. Security advisories have been issued, urging users to upgrade to the latest versions to mitigate risks.

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Timeline

2026-04-24
CVE-2026-41316 published
A vulnerability in Ruby was disclosed, allowing for potential remote code execution.
Linuxsecurity
2026-09-12
Patch released for Ruby
Gentoo released a patch for the Ruby vulnerability, urging users to upgrade to secure versions.
Security.Gentoo
2026-09-13
Advisories published
Multiple advisories were issued highlighting the vulnerability and the need for immediate action.
Tenable

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Extracted Entities (9)

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