CVE-2026-52856 (CVSS 7.5)

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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploit Prediction

0.0034

Probability of exploitation

0.26%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-129 CWE-129

CWE-248 CWE-248

CWE-617 CWE-617

CWE-755 CWE-755

References

Other 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

Frequently Asked Questions

What is CVE-2026-52856? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-52856? +

CVE-2026-52856 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0034, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-52856? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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