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CriticalSupply chainOct 13, 2026

GitLab Fixes Maximum-Severity Flaw Allowing Remote Code Execution

GitLab has released updates to address a maximum-severity security flaw impacting both Community Edition and Enterprise Edition installations. Under certain conditions, unauthenticated attackers can execute arbitrary code on the server through a specially crafted regular expression in a CI/CD pipeline. Without prompt patching, unauthorized parties could compromise your development infrastructure and server environment.

Supply chain security briefing

Who is affected

Organizations running unpatched instances of GitLab Community Edition (CE) or Enterprise Edition (EE).

How to mitigate it

  1. 1Upgrade GitLab Community Edition and Enterprise Edition instances to the latest patched releases immediately.
  2. 2Inspect CI/CD pipelines and application logs for unusual regular expressions or anomalous execution patterns.
  3. 3Restrict network exposure of GitLab web and CI/CD interfaces to trusted IP addresses and internal networks.

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Outsource IT provides proactive patch management and ongoing monitoring to ensure critical software vulnerabilities are identified and remediated before they can be exploited.

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Tags

GitLabPatch ManagementCI/CDSoftware Security

Source advisory: the-hacker-news

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