CVE-2026-52856

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Source
https://cve.org/CVERecord?id=CVE-2026-52856
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-52856.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-52856
Aliases
Downstream
Related
Published
2026-07-31T16:20:31Z
Modified
2026-10-15T10:52:08Z
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 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-129",
        "CWE-248",
        "CWE-617",
        "CWE-755"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52856.json"
}
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
6a7fc51a2361d83cad994f659a0fa6c458a33bd5
Fixed
8e49c7c0eda815d3ada171831876a1c14c493026
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "1.13.0"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StringRangeExpression"
        },
        {
            "range":  [
                {
                    "fixed":  "8e49c7c0eda815d3ada171831876a1c14c493026"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "original_tag":  "v1.13.0",
            "range":  [
                {
                    "fixed":  "6a7fc51a2361d83cad994f659a0fa6c458a33bd5"
                }
            ],
            "source":  "REFERENCES_TAG"
        }
    ]
}

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/osv-test-cve-osv-conversion/osv-output/CVE-2026-52856.json"