CVE-2026-52856
Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service
Description
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.
INFO
Published Date :
July 31, 2026, 5:16 p.m.
Last Modified :
July 31, 2026, 5:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Wings to version 1.13.0 or later.
- Ensure SFTP handshake packets are validated.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-52856.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-52856 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-52856
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-52856 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-52856 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Jul. 31, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'pterodactyl', 'product': 'wings', 'versions': [{'status': 'affected', 'version': '< 1.13.0'}]}] Added Description 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-129 Added CWE CWE-248 Added CWE CWE-617 Added CWE CWE-755 Added Reference https://github.com/pterodactyl/wings/commit/8e49c7c0eda815d3ada171831876a1c14c493026 Added Reference https://github.com/pterodactyl/wings/releases/tag/v1.13.0 Added Reference https://github.com/pterodactyl/wings/security/advisories/GHSA-ghrq-5wpp-hxx5