{"answers":{"affected":"3 open source packages ship an affected version, including github.com/pterodactyl/wings.","exploited":"There is no known exploitation of CVE-2026-52856 in the wild and no public exploit code.","fix":"Upgrade github.com/pterodactyl/wings to 1.13.0 or later.","what":"CVE-2026-52856 is a high-severity denial of service vulnerability in pterodactyl wings, published on 31 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-52856 and fix it if it is affected.\n\nWhat it is: CVE-2026-52856 is a high-severity denial of service vulnerability in pterodactyl wings, published on 31 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-52856 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- github.com/pterodactyl/wings (Go): affected all versions; fixed in 1.13.0\n- github.com/pterodactyl/wings (Go): affected all versions; fixed in 1.13.0\n- github.com/pterodactyl/wings (Go): affected all versions; fixed in 1.13.0\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-52856/ (Markdown: https://insights.sbomify.com/CVE-2026-52856/index.md)","id":"CVE-2026-52856","markdown":"https://insights.sbomify.com/CVE-2026-52856/index.md","name":"CVE-2026-52856","record":{"aliases":["GHSA-ghrq-5wpp-hxx5","GO-2026-6156"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Game server control plane","requires_auth":"none","summary":"A malformed packet during SFTP handshake causes a panic in Wings, leading to denial of service for game server management.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[],"cvss":{"score":7.5,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-617","name":"Reachable Assertion"},{"id":"CWE-248","name":"Uncaught Exception"},{"id":"CWE-755","name":"Improper Handling of Exceptional Conditions"},{"id":"CWE-129","name":"Improper Validation of Array Index"}],"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.","ecosystems":["Go"],"exploits":{"exploitdb":0,"first_seen":"2026-10-19","github_poc":1,"max_poc_stars":0,"metasploit":0,"nuclei":0,"refs":[{"date":"2026-10-19T15:43:00Z","kind":"github_poc","ref":"https://github.com/lisbickq/CVE-2026-52856-PoC","stars":0,"title":"PoC For CVE-2026-52856"}],"tier":"poc_unverified"},"has_fix":true,"headline":"Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service","id":"CVE-2026-52856","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Go","product":null,"products":[],"type":"denial_of_service","year":"2026"},"n_packages":3,"n_references":3,"next":{"headline":"Wings: Maliciously or erroneously created parsed config files can cause wings process to OOM","id":"CVE-2026-52857"},"packages":[{"ecosystem":"Go","fixed":["1.13.0"],"introduced":["0"],"last_affected":[],"package":"github.com/pterodactyl/wings","purl":null,"source":"GHSA-ghrq-5wpp-hxx5"},{"ecosystem":"Go","fixed":["1.13.0"],"introduced":["0"],"last_affected":[],"package":"github.com/pterodactyl/wings","purl":"pkg:golang/github.com/pterodactyl/wings","source":"GHSA-ghrq-5wpp-hxx5"},{"ecosystem":"Go","fixed":["1.13.0"],"introduced":["0"],"last_affected":[],"package":"github.com/pterodactyl/wings","purl":"pkg:golang/github.com/pterodactyl/wings","source":"GO-2026-6156"}],"prev":{"headline":"Wings exposes node configuration secrets through egg configuration-file templating","id":"CVE-2026-52855"},"products":["wings"],"published":"2026-07-31","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"CC BY 4.0","name":"Go Vulnerability Database","prefix":"GO"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-07-31","vendors":["pterodactyl"]},"summary":"A malformed packet during SFTP handshake causes a panic in Wings, leading to denial of service for game server management.","url":"https://insights.sbomify.com/CVE-2026-52856/"}