CVE-2026-52806 Gogs: RCE via git rebase --exec argument injection in pull request merge

Gogs is an open source self-hosted Git service. Prior to 0.14.3, Gogs allows authenticated users to achieve Remote Code Execution RCE on the server by creating a pull request with a specially crafted branch name that injects the --exec flag into the git rebase command during the "Rebase before...