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CVE-2026-52856
Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service
High7.5EPSS 0.61%
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Deferred | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.61% · top 51% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- CWE-248: Uncaught Exception (opens in a new tab)All about CWE-248 and its CVEs
- CWE-617: Reachable Assertion (opens in a new tab)All about CWE-617 and its CVEs
- CWE-129: Improper Validation of Array Index (opens in a new tab)All about CWE-129 and its CVEs
- CWE-755: Improper Handling of Exceptional Conditions (opens in a new tab)All about CWE-755 and its CVEs
Affected products
- affected < 1.13.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/pterodactyl/wingsGHSA-ghrq-5wpp-hxx5 (opens in a new tab)
References (3)
- https://github.com/pterodactyl/wings/security/advisories/GHSA-ghrq-5wpp-hxx5 (opens in a new tab)x_refsource_CONFIRM
- https://github.com/pterodactyl/wings/commit/8e49c7c0eda815d3ada171831876a1c14c493026 (opens in a new tab)x_refsource_MISC
- https://github.com/pterodactyl/wings/releases/tag/v1.13.0 (opens in a new tab)x_refsource_MISC
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-ghrq-5wpp-hxx5 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-52856)Record last updated .