File Browser: Cross-user unauthorized share-link deletion via unbounded prefix match in DeleteWithPathPrefix — CVE-2026-54097
GitHub · GitHub · CVE-2026-54097
ID
CVE-2026-54097
CVE-2026-54097
Datum
Activity
Quelle
GitHub
GitHub
Vendor
GitHub
GitHub
Risiko
high
high
CVSS
7.2
7.2
EPSS
0.00018
0.00018
Zusammenfassung
### Summary A low-privileged authenticated user of filebrowser (with `create` + `delete` permissions in their own isolated scope) can silently destroy share-link records belonging to any other user — including the administrator — by performing a legitimate DELETE on a file in their own directory whose logical path happens to be a byte-prefix of another user's stored `share.Link.Path`. The file contents of the…
Produkt
go: github.com/filebrowser/filebrowser | go: github.com/filebrowser/filebrowser/v2
Was tun?
Allgemeine, vorsichtige Schritte (bitte prüfe die offizielle Quelle für Details):
- Priorisiere sofort Patches oder Mitigations (hohes akutes Risiko).
- Identifiziere betroffene Produktversionen und prüfe, ob du betroffen bist.
- Spiele Hersteller-Updates/Patches ein oder setze empfohlene Mitigations um.
- Lies das offizielle Advisory für betroffene Versionen und konkrete Schritte.