GitHub security advisory (AV26-246)

Serial number: AV26-246
Date: March 17, 2026

On March 12, 2026, GitHub published security advisories to address vulnerabilities in the following products:

  • GitHub Enterprise Server – versions 3.19.x prior to 3.19.4
  • GitHub Enterprise Server – versions 3.18.x prior to 3.18.7
  • GitHub Enterprise Server – versions 3.17.x prior to 3.17.13
  • GitHub Enterprise Server – versions 3.16.x prior to 3.16.16

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

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