CVE-2026-52856— Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| pterodactyl | wings | < 1.13.0 | affected |
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I. Basic Information for CVE-2026-52856
Vulnerability Information
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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
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 POCPremium
Qwen3.6-35B-A3B · 12260 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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III. Intelligence Information for CVE-2026-52856
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Patches & Fixes for CVE-2026-52856 (1)
Vendor Advisories for CVE-2026-52856 (1)
Vendor Pages for CVE-2026-52856 (1)
- 🔗 Release v1.13.0 · pterodactyl/wings · GitHubx_refsource_MISC
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
- CVE-2026-52855
Wings exposes node configuration secrets through egg configu - CVE-2026-52857
Wings: Maliciously or erroneously created parsed config file - CVE-2026-21696
Endless reprocessing/reupload of activity log data due to SQ - CVE-2024-34066
Arbitrary File Write/Read in Pterodactyl wings - CVE-2024-34068
Server-side Request Forgery during remote file pull in Ptero
Same vendor: pterodactyl
- CVE-2026-52855
Wings exposes node configuration secrets through egg configu - CVE-2026-52857
Wings: Maliciously or erroneously created parsed config file - CVE-2026-61609
Pterodactyl's shared global rate-limit key on login and 2FA - CVE-2026-54593
Pterodactyl's improper JWT scoping allows subuser to upload - CVE-2026-35202
Pterodactyl has a database resource limit bypass via race co
Same weakness: CWE-248
- CVE-2026-64612
Libcupsfilters: cups-filters: libcupsfilters: cups image fil - CVE-2026-63747
SurrealDB before 3.1.0 Denial of Service via malformed RPC u - CVE-2025-71391
SurrealDB before 2.2.2 Denial of Service via /sql endpoint - CVE-2024-58369
SurrealDB before 1.1.1 Denial of Service via Global Paramete - CVE-2024-58368
SurrealDB before 1.1.0 Denial of Service via HTTP Headers
V. Comments for CVE-2026-52856
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