{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-83599 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-83599 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-83599 is a high-severity denial of service vulnerability in netdata, published on 22 Sep 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-2026-83599 and fix it if it is affected.\n\nWhat it is: CVE-2026-83599 is a high-severity denial of service vulnerability in netdata, published on 22 Sep 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-2026-83599 in the wild and no public exploit code.\n\nAffected product: netdata. No package-level version data is available, so check the vendor advisory linked from the reference page.\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-2026-83599/ (Markdown: https://insights.sbomify.com/CVE-2026-83599/index.md)","id":"CVE-2026-83599","markdown":"https://insights.sbomify.com/CVE-2026-83599/index.md","name":"CVE-2026-83599","record":{"aliases":["DEBIAN-CVE-2026-83599","GHSA-c8p4-cg3j-f4h2","UBUNTU-CVE-2026-83599"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Netdata observability tool","requires_auth":"none","summary":"Attackers can exhaust server memory via WebSocket decompression bombs, causing denial of service in Netdata monitoring.","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-409","name":"Improper Handling of Highly Compressed Data (Data Amplification)"}],"description":"Netdata is an open source observability tool. Prior to 2.11.0, Netdata's unauthenticated WebSocket server negotiates permessage-deflate before authentication, and src/web/websocket/websocket-compression.c allows websocket_client_decompress_message() to grow decompressed output toward WS_MAX_DECOMPRESSED_SIZE without enforcing a compressed-to-decompressed ratio. Small highly compressed frames can therefore cause large server-side allocations, and repeated concurrent connections can exhaust memory and terminate monitoring. This vulnerability is fixed in 2.11.0.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":false,"headline":"Netdata: WebSocket Decompression Bomb","id":"CVE-2026-83599","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"denial_of_service","year":"2026"},"n_packages":0,"n_references":4,"next":{"headline":"Netdata: Streaming protocol chart slot guard off-by-one allows ~16 GiB allocation request, crashing parent agent","id":"CVE-2026-83600"},"packages":[],"prev":{"headline":"Netdata: Local Privilege Escalation in Netdata Agent Windows installer via PowerShell Profile Hijack in MSI Repair","id":"CVE-2026-83598"},"products":["netdata"],"published":"2026-09-22","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-22","vendors":["netdata"]},"summary":"Attackers can exhaust server memory via WebSocket decompression bombs, causing denial of service in Netdata monitoring.","url":"https://insights.sbomify.com/CVE-2026-83599/"}