Is github.com/pterodactyl/wings affected by CVE-2026-52856?

Go github.com/pterodactyl/wings is affected in < 1.13.0.

Is CVE-2026-52856 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.6%.

high

CVE-2026-52856

Q: Is CVE-2026-52856 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.6%.

Go · github.com/pterodactyl/wings

Summary

Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service

Severity: high
CVSS: 7.5
EPSS: 0.6% (p49)
CWE: CWE-20, CWE-129, CWE-248, CWE-400, CWE-617, CWE-755
Also known as: GHSA-ghrq-5wpp-hxx5
Published: 2026-07-31
Updated: 2026-07-31

Advisory details

Summary

A maliciously crafted packet received & parsed during the SFTP connection handshake will cause a Go panic.

Impact

All wings users with an open SFTP port.

Workarounds

Close SFTP port.

References

Related advisories

CVE-2026-105757 — medium · PyPI/vllm
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CVE-2026-81876 — high · Maven/ca.uhn.hapi.fhir:org.hl7.fhir.r5
CVE-2026-81875 — high · Maven/ca.uhn.hapi.fhir:org.hl7.fhir.r5
CVE-2026-100347 — medium · Go/github.com/getkin/kin-openapi
CVE-2026-48484 — medium · PyPI/pyload-ng
CVE-2026-107392 — medium · npm/music-metadata

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.