GitHub security advisory (AV26-003)

Serial number: AV26-003
Date: January 7, 2026

On January 6, 2026, GitHub published security advisories to address a vulnerability in the following products:

  • GitHub Enterprise Server – versions 3.19.x prior to 3.19.1
  • GitHub Enterprise Server – versions 3.18.x prior to 3.18.4
  • GitHub Enterprise Server – versions 3.17.x prior to 3.17.10
  • GitHub Enterprise Server – versions 3.16.x prior to 3.16.13
  • GitHub Enterprise Server – versions 3.15.x prior to 3.15.17
  • GitHub Enterprise Server – versions 3.14.x prior to 3.14.22

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

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