CVE-2026-52856

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Source
https://cve.org/CVERecord?id=CVE-2026-52856
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-52856.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-52856
Aliases
Published
2026-07-31T16:20:31.222Z
Modified
2026-08-02T03:47:49.054543428Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service
Details

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.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52856.json",
    "cwe_ids": [
        "CWE-129",
        "CWE-248",
        "CWE-617",
        "CWE-755"
    ],
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git / github.com/pterodactyl/wings

Affected ranges

Type
GIT
Repo
https://github.com/pterodactyl/wings
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
8e49c7c0eda815d3ada171831876a1c14c493026
Fixed
6a7fc51a2361d83cad994f659a0fa6c458a33bd5
Database specific 
{
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.13.0"
        }
    ]
}

Affected versions

v1.*
v1.0.0
v1.0.0-beta.9
v1.0.0-rc.1
v1.0.0-rc.2
v1.0.0-rc.3
v1.0.0-rc.4
v1.0.0-rc.5
v1.0.0-rc.6
v1.0.0-rc.7
v1.0.1
v1.1.0
v1.1.1
v1.1.2
v1.1.3
v1.11.0
v1.11.0-rc.1
v1.11.0-rc.2
v1.11.1
v1.11.10
v1.11.11
v1.11.12
v1.11.13
v1.11.2
v1.11.3
v1.11.4
v1.11.5
v1.11.6
v1.11.7
v1.11.8
v1.11.9
v1.12.0
v1.12.1
v1.12.2
v1.12.3
v1.2.0
v1.2.1
v1.2.2
v1.2.3
v1.3.0
v1.3.1
v1.3.2
v1.4.0
v1.4.1
v1.4.2
v1.4.3
v1.4.4
v1.4.5
v1.4.6
v1.4.7
v1.5.0
v1.5.1
v1.5.2
v1.5.3
v1.5.4
v1.5.5
v1.5.6
v1.6.0
v1.6.1
v1.6.2
v1.6.3
v1.6.4
v1.7.0
v1.7.1
v1.7.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-52856.json"