Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-52856
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-31 17:16:33 UTC
Updated2026-07-31 19:17:09 UTC
DescriptionWings 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-129 | CWE-248 | CWE-617 | CWE-755 | CWE-248 CWE-248: Uncaught Exception | CWE-617 CWE-617: Reachable Assertion | CWE-129 CWE-129: Improper Validation of Array Index | CWE-755 CWE-755: Improper Handling of Exceptional Conditions

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Pterodactyl Wings affected < 1.13.0 Not specified

References

ReferenceSourceLinkTags
github.com/pterodactyl/wings/releases/tag/v1.13.0 [email protected] github.com
github.com/pterodactyl/wings/security/advisories/GHSA-ghrq-5wpp-hxx5 [email protected] github.com
github.com/pterodactyl/wings/commit/8e49c7c0eda815d3ada171831876a1c14c49... [email protected] github.com
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