Pterodactyl's improper JWT scoping allows subuser to upload files when not explicitly granted `file.create` permissions

Date Jul 28, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Composer ยท pterodactyl/panel
CVE CVE-2026-54593
High-risk advisory CVE-2026-54593

Summary

Pterodactyl's improper JWT scoping allows subuser to upload files when not explicitly granted `file.create` permissions

Why it matters

GitHub has published a reviewed security advisory for pterodactyl/panel. Prioritize it with other application dependency updates.

Operator check

Check whether pterodactyl/panel is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.