Arbitrary file upload in Stonith404 Pingvin-share

CVE-2025-22137

Pingvin Share is a self-hosted file sharing platform and an alternative for WeTransfer. This vulnerability allows an authenticated or unauthenticated (if anonymous shares are allowed) user to overwrite arbitrary files on the server, includ…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (48.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-22137?
CVE-2025-22137 is a critical-severity vulnerability in Stonith404 Pingvin-share, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2025-01-08.
How severe is CVE-2025-22137?
Critical severity. CVSS v3 base score is 9.8 out of 10.