CIRT.GY | GitHub Security Advisory (March 12th, 2026)

GitHub Security Advisory (March 12th, 2026)

Ref# ADV2026_153 | Date: Mar 12th 2026

GitHub published a security advisory highlighting vulnerabilities in the following products on March 10^th, 2026. It is recommended that you take the necessary precautions by ensuring your products are always updated.

GitHub Enterprise Server – versions 3.19.x prior to 3.19.3
GitHub Enterprise Server – versions 3.18.x prior to 3.18.6
GitHub Enterprise Server – versions 3.17.x prior to 3.17.12
GitHub Enterprise Server – versions 3.16.x prior to 3.16.15
GitHub Enterprise Server – versions 3.15.x prior to 3.15.19
GitHub Enterprise Server – versions 3.14.x prior to 3.14.24

For more information on these updates, you can follow these URLs:

The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.

PDF Download: GitHub Security Advisory

References

Enterprise Server 3.19.3. (March 10, 2026). Retrieved from GitHub. https://docs.github.com/en/enterprise-server@3.19/admin/release-notes

Enterprise Server 3.18.6. (March 10, 2026). Retrieved from GitHub. https://docs.github.com/en/enterprise-server@3.18/admin/release-notes

Enterprise Server 3.17.12. (March 10, 2026). Retrieved from GitHub. https://docs.github.com/en/enterprise-server@3.17/admin/release-notes

Enterprise Server 3.16.15. (March 10, 2026). Retrieved from GitHub. https://docs.github.com/en/enterprise-server@3.16/admin/release-notes

Enterprise Server 3.15.19. (March 10, 2026). Retrieved from GitHub. https://docs.github.com/en/enterprise-server@3.15/admin/release-notes

Enterprise Server 3.14.24. (March 10, 2025). Retrieved from GitHub. https://docs.github.com/en/enterprise-server@3.14/admin/release-notes

GitHub security advisory. (March 12, 2026). Retrieved from Canadian Centre for Cyber Security. https://www.cyber.gc.ca/en/alerts-advisories/github-security-advisory-av26-230