GHSA-ghrq-5wpp-hxx5

ghsaUSosv

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

view advisory published 2026-07-31Licence: CC-BY-4.0

### Summary A maliciously crafted packet received & parsed during the SFTP connection handshake will cause a Go panic. ### Impact All wings users with an open SFTP port. ### Workarounds Close SFTP port.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-52856US	—	0.61% (49th)	Exploit	2026-07-31
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 handsha…

references

External citations — patches, advisories, analysis.

https://github.com/pterodactyl/wingsPACKAGE
https://github.com/pterodactyl/wings/commit/8e49c7c0eda815d3ada171831876a1c14c493026WEB
https://github.com/pterodactyl/wings/releases/tag/v1.13.0WEB
https://github.com/pterodactyl/wings/security/advisories/GHSA-ghrq-5wpp-hxx5WEB

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