What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-31 · updated 2026-10-23
• Weakness: CWE-129

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.

Affected products

• pterodactyl wings: before 1.13.0

References

• https://github.com/pterodactyl/wings/commit/8e49c7c0eda815d3ada171831876a1c14c493026
• https://github.com/pterodactyl/wings/releases/tag/v1.13.0
• https://github.com/pterodactyl/wings/security/advisories/GHSA-ghrq-5wpp-hxx5

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