CVE-2026-116067

Description

Paisa before 0.7.8 contains a path traversal vulnerability in the GetFile, GetSheet, DeleteBackups, and DeleteSheetBackups handlers that lets unauthenticated attackers read files and delete backups through ../ sequences in file names. Attackers can send crafted names to the editor file and delete_backups endpoints to read any server-readable file and remove backup files outside the journal or sheets directory.

References

• https://github.com/ananthakumaran/paisa
• https://github.com/ananthakumaran/paisa/blob/v0.7.7/internal/server/editor.go#L49-L70
• https://github.com/ananthakumaran/paisa/commit/035949351f7c0d0f90ecf767aa1e28b4d5a0ae31
• https://github.com/ananthakumaran/paisa/issues/420
• https://github.com/ananthakumaran/paisa/releases/tag/v0.7.8