CVE-2026-52811 Gogs: UploadRepoFiles writes outside repo working tree via committed parent sym

Gogs is an open source self-hosted Git service. Prior to 0.14.3, Repository.UploadRepoFiles checks for symlinks only on the leaf of the upload target osx.IsSymlinktargetPath. The siblings UpdateRepoFile, DeleteRepoFile, and GetDiffPreview use hasSymlinkInPath, which lstats every component —...