Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-52856— Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service

Quick assessment

Affected
pterodactyl wings
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Pterodactyl Wings是Pterodactyl团队开源的一个服务器控制界面。 Pterodactyl Wings 1.13.0之前版本存在安全漏洞，该漏洞源于SFTP连接握手期间接收到畸形数据包导致Go panic，可能导致拒绝服务。

CVSS 7.5 · High EPSS 0.61% · P49

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
pterodactyl wings < 1.13.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-52856

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5
Vulnerability Title
Pterodactyl Wings 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pterodactyl Wings是Pterodactyl团队开源的一个服务器控制界面。 Pterodactyl Wings 1.13.0之前版本存在安全漏洞，该漏洞源于SFTP连接握手期间接收到畸形数据包导致Go panic，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
pterodactyl wings < 1.13.0 -

II. Public POCs for CVE-2026-52856

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 12260 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-52856

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-52856 (1)

Vendor Advisories for CVE-2026-52856 (1)

Vendor Pages for CVE-2026-52856 (1)

Same Patch Batch · pterodactyl · 2026-07-31 · 3 CVEs total

CVE-2026-52855 9.9 CRITICAL Wings exposes node configuration secrets through egg configuration-file templating
CVE-2026-52857 5.5 MEDIUM Wings: Maliciously or erroneously created parsed config files can cause wings process to O

IV. Related Vulnerabilities

Same product: wings
Same vendor: pterodactyl
Same weakness: CWE-248