CVE-2026-52856
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk26th percentile - higher than 26% of all known CVEs
Summary
Wings, the server control plane for Pterodactyl, prior to version 1.13.0 contains a vulnerability causing a Go panic due to a malformed packet received during the SFTP connection handshake. This issue is fixed in version 1.13.0.
Risk Assessment
An attacker can crash the Wings server, leading to a denial of service for game server management operations.
Recommendation
Immediately upgrade Wings to version 1.13.0 or later.
Other vulnerabilities in Wings
See all- CVE-2026-52857Medium
Wings, the server control plane for Pterodactyl, prior to version 1.13.0 has unbounded JSON, YAML, and XML configuration file parsers. They can process an oversized configuration file and exhaust Wings process memory.
- CVE-2026-52855Critical
Wings, the server control plane for Pterodactyl, prior to 1.12.3 allows a low-privileged user to read sensitive configuration data (token, token_id, Docker registries) via {{config.}} placeholders in egg configuration-file templates.
- CVE-2026-61617High
Wings (the server control plane for Pterodactyl) versions up to and including 1.13.2 do not enforce a server's disk quota during an SFTP transfer, allowing a tenant with SFTP write access to exhaust the host node's physical disk and take down every server on it. Available space is checked only once, when the write handle is opened, using a stale cached value and without knowing the size of the incoming data.
Original NVD description (English source)
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.