CVE-2026-52856CWE-129CWE-248CWE-617CWE-755

CVE-2026-52856

High · published July 31, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
26.3
In the wild
Unconfirmed
What it is

Wings is the server control plane for Pterodactyl, a free, open-source game server management panel. Prior to 1.13.0, a malformed packet received during the SFTP connection handshake causes a Go panic. This issue is fixed in version 1.13.0.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00335 · 26.3th percentile
Weaknesses
CWE-129 · Improper Validation of Array Index; CWE-248 · Uncaught Exception; CWE-617 · Reachable Assertion; CWE-755 · Improper Handling of Exceptional Conditions
Published
2026-07-31T21:16Z
References (3)
https://github.com/pterodactyl/wings/commit/8e49c7c0eda815d3ada171831876a1c14c493026 · [email protected]https://github.com/pterodactyl/wings/releases/tag/v1.13.0 · [email protected]https://github.com/pterodactyl/wings/security/advisories/GHSA-ghrq-5wpp-hxx5 · [email protected]
EPSS history
Timeline
  • 31 JUL 16:20Z
    Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service
    cvelistv5