CVE-2026-52857: pterodactyl wings Uncontrolled Resource Consumption
Vulnerability summary
CVE-2026-52857 is a medium (CVSS 5.5) Uncontrolled Resource Consumption vulnerability in pterodactyl wings. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.8% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 31-07-2026PublishedVulnerability first disclosed.
- 31-07-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · GoEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.16%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
+0.05 pp
From 0.11% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Github.com/pterodactyl1 product
- wings< 1.13.0
Pterodactyl1 product
- wings< 1.13.0
2 vendors · 2 products
References
4 links- github.com/pterodactyl/wingsPACKAGE