What’s Vulnerable › Vulnerabilities

CVE-2026-52857: Wings: Maliciously or erroneously created parsed config files can cause wings process to OOM

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% 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-400

Description

Wings is the server control plane for Pterodactyl, a free, open-source game server management panel. Prior to 1.13.0, unbounded json, yaml, and xml configuration-file parsers in parser.go can process an oversized non-file parser configuration file and exhaust Wings process memory. This issue is fixed in version 1.13.0.

Affected products

• pterodactyl wings: before 1.13.0

References

• https://github.com/pterodactyl/wings/commit/5f71f65711b6b9e6f913bec94a7b36d9a5eaae49
• https://github.com/pterodactyl/wings/releases/tag/v1.13.0
• https://github.com/pterodactyl/wings/security/advisories/GHSA-q6hh-gp44-4hcm

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