What is CVE-2026-54593?

CVE-2026-54593 is a high-severity vulnerability in Pterodactyl Panel, classified under CWE-1259. CVSS score: 8.1/10. Published 2026-07-28.

How severe is CVE-2026-54593?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Pterodactyl Panel

CVE-2026-54593

Pterodactyl is a free, open-source game server management panel. Prior to Panel version 1.12.3 and Wings version 1.12.2, the Wings /upload/file endpoint accepted any valid panel-signed JWT that contained server_uuid, user_uuid, and unique_…

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Pterodactyl Panel — versions < 1.12.3

Weakness classification (CWE)

CWE-1259
CWE-1270

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-54593?: CVE-2026-54593 is a high-severity vulnerability in Pterodactyl Panel, classified under CWE-1259. CVSS score: 8.1/10. Published 2026-07-28.
How severe is CVE-2026-54593?: High severity. CVSS v3 base score is 8.1 out of 10.