GitHub security advisory (AV26-720)
ID: 46601853-95fa-5dd6-afef-b400c28ad227
STIX ID: report--46601853-95fa-5dd6-afef-b400c28ad227
Feed Name: Canadian Centre for Cyber Security Alerts and Advisories
Threat Score
On July 16, 2026 GitHub published security advisories addressing vulnerabilities in multiple GitHub Enterprise Server branches (3.21.x prior to 3.21.3; 3.20.x prior to 3.20.5; 3.19.x prior to 3.19.9; 3.18.x prior to 3.18.12; 3.17.x prior to 3.17.18) and the Cyber Centre encourages administrators to review the links and apply the necessary updates.
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