{"answers":{"affected":"3 open source packages ship an affected version, including github.com/lin-snow/ech0.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-79669 exists.","fix":"Upgrade github.com/lin-snow/ech0 to 4.4.3 or later.","what":"CVE-2026-79669 is a medium-severity missing authorization vulnerability in lin-snow Ech0, published on 25 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-79669 and fix it if it is affected.\n\nWhat it is: CVE-2026-79669 is a medium-severity missing authorization vulnerability in lin-snow Ech0, published on 25 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-79669 exists.\n\nAffected packages and fixed versions:\n- github.com/lin-snow/ech0 (Go): affected all versions; no fix listed\n- github.com/lin-snow/ech0 (Go): affected all versions; fixed in 4.4.3\n- github.com/lin-snow/ech0 (Go): affected all versions; fixed in 4.4.3\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-2026-79669/ (Markdown: https://insights.sbomify.com/CVE-2026-79669/index.md)","id":"CVE-2026-79669","markdown":"https://insights.sbomify.com/CVE-2026-79669/index.md","name":"CVE-2026-79669","record":{"aliases":["GHSA-vw9j-c9ff-mwf8","GHSA-w8jj-cwmc-wgq2","GO-2026-5701"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["data_read"],"network_reachable":"yes","non_default_config":false,"product_category":"Ech0 server software","requires_auth":"low_privilege","summary":"Authenticated non-admin users can access system logs via API endpoints, exposing sensitive internal data and application state.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulnCheck","cpe":[],"cvss":{"score":5.3,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-862","name":"Missing Authorization"}],"description":"Ech0 before 4.4.3 lacks authorization checks on system log endpoints allowing any authenticated non-admin user to read and stream all server logs. Attackers can access historical logs and real-time log streams via GET /api/system/logs, GET /api/system/logs/stream, and WS /ws/system/logs to gather reconnaissance data including internal file paths, error stack traces, and application state.","ecosystems":["Go"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":false,"headline":"Ech0 before 4.4.3 Missing Authorization on System Logs","id":"CVE-2026-79669","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Go","product":null,"products":[],"type":"missing_authorization","year":"2026"},"n_packages":3,"n_references":2,"next":{"headline":"Ech0 before 4.4.3 Stored XSS via SVG Upload","id":"CVE-2026-79670"},"packages":[{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":[],"package":"github.com/lin-snow/ech0","purl":"pkg:golang/github.com/lin-snow/ech0","source":"GO-2026-5701"},{"ecosystem":"Go","fixed":["4.4.3"],"introduced":["0"],"last_affected":[],"package":"github.com/lin-snow/ech0","purl":null,"source":"GHSA-w8jj-cwmc-wgq2"},{"ecosystem":"Go","fixed":["4.4.3"],"introduced":["0"],"last_affected":[],"package":"github.com/lin-snow/ech0","purl":"pkg:golang/github.com/lin-snow/ech0","source":"GHSA-w8jj-cwmc-wgq2"}],"prev":{"headline":"Ech0 before 4.7.3 Unauthenticated Like Endpoint Metric Inflation","id":"CVE-2026-79668"},"products":["Ech0"],"published":"2026-08-25","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)"}],"ssvc":{"automatable":"no","exploitation":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-08-25","vendors":["lin-snow"]},"summary":"Authenticated non-admin users can access system logs via API endpoints, exposing sensitive internal data and application state.","url":"https://insights.sbomify.com/CVE-2026-79669/"}