GitHub security advisory (AV26-783)

Serial number: AV26-783
Date: August 6, 2026

As of August 5, 2026, GitHub is affected by vulnerabilities in the following product:

  • Enterprise Server
    • 3.17.0 Prior to 3.17.16
    • 3.17.0 Prior to 3.17.19
    • 3.18.0 Prior to 3.18.10
    • 3.18.0 Prior to 3.18.13
    • 3.19.0 Prior to 3.19.10
    • 3.19.0 Prior to 3.19.7
    • 3.20.0 Prior to 3.20.3
    • 3.20.0 Prior to 3.20.6
    • 3.21.0 Prior to 3.21.4

The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available.

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