CVE-2026-52855: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in pterodactyl wings
Wings is the server control plane for Pterodactyl, a free, open-source game server management panel. Prior to 1.12.3, {{config.}} placeholders in egg configuration-file templates allow a low-privileged user to read {{config.token}}, {{config.token_id}}, and {{config.docker.registries}} from the full daemon configuration. This issue is fixed in version 1.12.3.
AI Analysis
Technical Summary
CVE-2026-52855 is an information exposure vulnerability in Pterodactyl Wings, the server control plane for the Pterodactyl game server management panel. Before version 1.12.3, the use of {{config.}} placeholders in egg configuration-file templates permits a low-privileged user to access sensitive configuration values such as tokens and Docker registry credentials from the full daemon configuration. This exposure can lead to unauthorized access and control over the system. The vulnerability is addressed by updating to version 1.12.3.
Potential Impact
An attacker with low privileges can read sensitive information including authentication tokens and Docker registry credentials, potentially leading to unauthorized access, privilege escalation, and compromise of the server environment. The CVSS score of 9.9 reflects critical impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Upgrade Pterodactyl Wings to version 1.12.3 or later, where this vulnerability is fixed. No other mitigation guidance is provided or required as the fix is official and available.
CVE-2026-52855: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in pterodactyl wings
Description
Wings is the server control plane for Pterodactyl, a free, open-source game server management panel. Prior to 1.12.3, {{config.}} placeholders in egg configuration-file templates allow a low-privileged user to read {{config.token}}, {{config.token_id}}, and {{config.docker.registries}} from the full daemon configuration. This issue is fixed in version 1.12.3.
CVSS v3.1
Score 9.9critical
Affected software
pterodactyl
wings
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-52855 is an information exposure vulnerability in Pterodactyl Wings, the server control plane for the Pterodactyl game server management panel. Before version 1.12.3, the use of {{config.}} placeholders in egg configuration-file templates permits a low-privileged user to access sensitive configuration values such as tokens and Docker registry credentials from the full daemon configuration. This exposure can lead to unauthorized access and control over the system. The vulnerability is addressed by updating to version 1.12.3.
Potential Impact
An attacker with low privileges can read sensitive information including authentication tokens and Docker registry credentials, potentially leading to unauthorized access, privilege escalation, and compromise of the server environment. The CVSS score of 9.9 reflects critical impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Upgrade Pterodactyl Wings to version 1.12.3 or later, where this vulnerability is fixed. No other mitigation guidance is provided or required as the fix is official and available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-06-08T18:41:27.724Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a6cf74ebf32cb7a34294bd8
Added to database: 07/31/2026, 19:28:14 UTC
Last enriched: 07/31/2026, 19:41:26 UTC
Last updated: 09/14/2026, 10:01:31 UTC
Views: 49
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