{"id":"CVE-2026-125357","aliases":["EUVD-2026-120520","GHSA-p249-34gr-hj2h","UBUNTU-CVE-2026-125357"],"status":"published","title":"Munin munin-httpd through 2.999.18 Path Traversal via Static File Handler","description":"Munin munin-httpd 2.99.1 through 2.999.18 contains a path traversal vulnerability in the static file handler of Munin::Master::HTML::handle_request that allows unauthenticated attackers to read files outside the static directory. Attackers can request /static/../\u003cfile\u003e to bypass the '/../' substring check and read munin.conf and plugin-conf.d files containing monitored service credentials.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-14","score":0.00739,"percentile":0.55153,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-11-09T23:27:31Z","modified":"2026-11-14T02:30:52Z","exploits":[{"source":"nuclei","id":"CVE-2026-125357","title":"Munin munin-httpd 2.99.1-2.999.18 - Unauthenticated Path Traversal","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-125357.yaml"}],"affected":[{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"munin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.17-2ubuntu1","2.0.17-3ubuntu1","2.0.18-1ubuntu1","2.0.19-2","2.0.19-3","2.0.19-3ubuntu0.2","2.0.19-3ubuntu0.3"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"munin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.25-1","2.0.25-2","2.0.25-2ubuntu0.16.04.2","2.0.25-2ubuntu0.16.04.3","2.0.25-2ubuntu0.16.04.4"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"munin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.33-1","2.0.34-3","2.0.37-1","2.0.37-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"munin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.49-3ubuntu1","2.0.51-1ubuntu1","2.0.54-1ubuntu1","2.0.54-1ubuntu2","2.0.56-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"munin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.57-1ubuntu1","2.0.57-1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"munin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.71-2ubuntu1","2.0.74-2ubuntu1","2.0.74-2ubuntu2","2.0.75-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"munin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.76-5ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"munin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.76-5ubuntu1"]}],"products":[{"vendor":"munin-monitoring","product":"munin"}],"references":[{"url":"https://github.com/munin-monitoring/munin/issues/1710","tags":["issue-tracking","report"]},{"url":"https://github.com/munin-monitoring/munin","tags":["product","package"]},{"url":"https://github.com/munin-monitoring/munin/blob/2.999.18/lib/Munin/Master/HTML.pm#L30-L58","tags":["technical-description","article"]},{"url":"https://github.com/munin-monitoring/munin/commit/e7b6f452ccca04cff8a0e7285c1279b116a768e1","tags":["patch","fix"]},{"url":"https://www.vulncheck.com/advisories/munin-munin-httpd-through-2.999.18-path-traversal-via-static-file-handler","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-125357","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-p249-34gr-hj2h"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/125xxx/CVE-2026-125357.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-125357","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-125357","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-125357","title":"Munin munin-httpd through 2.999.18 Path Traversal via Static File Handler","description":"Munin munin-httpd 2.99.1 through 2.999.18 contains a path traversal vulnerability in the static file handler of Munin::Master::HTML::handle_request that allows unauthenticated attackers to read files outside the static directory. Attackers can request /static/../\u003cfile\u003e to bypass the '/../' substring check and read munin.conf and plugin-conf.d files containing monitored service credentials.","status":"published","published":"2026-11-09T23:27:31.973Z","modified":"2026-11-14T02:28:37.552Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-10T00:35:35.349735Z"}],"euvd":[{"id":"EUVD-2026-120520","description":"Munin munin-httpd 2.99.1 through 2.999.18 contains a path traversal vulnerability in the static file handler of Munin::Master::HTML::handle_request that allows unauthenticated attackers to read files outside the static directory. Attackers can request /static/../\u003cfile\u003e to bypass the '/../' substring check and read munin.conf and plugin-conf.d files containing monitored service credentials.","status":"published","published":"2026-11-09T23:27:31Z","modified":"2026-11-14T02:28:37Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-14T03:42:27.587339Z"}],"ghsa":[{"id":"GHSA-p249-34gr-hj2h","title":"Munin munin-httpd 2.99.1 through 2.999.18 contains a path traversal vulnerability in the static...","description":"Munin munin-httpd 2.99.1 through 2.999.18 contains a path traversal vulnerability in the static file handler of Munin::Master::HTML::handle_request that allows unauthenticated attackers to read files outside the static directory. Attackers can request /static/../\u003cfile\u003e to bypass the '/../' substring check and read munin.conf and plugin-conf.d files containing monitored service credentials.","status":"published","published":"2026-11-10T00:31:42Z","modified":"2026-11-10T00:31:47Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-10T00:50:51.490453Z"}],"nvd":[{"id":"CVE-2026-125357","description":"Munin munin-httpd 2.99.1 through 2.999.18 contains a path traversal vulnerability in the static file handler of Munin::Master::HTML::handle_request that allows unauthenticated attackers to read files outside the static directory. Attackers can request /static/../\u003cfile\u003e to bypass the '/../' substring check and read munin.conf and plugin-conf.d files containing monitored service credentials.","status":"published","published":"2026-11-10T00:17:07.017Z","modified":"2026-11-14T03:17:26.127Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-14T06:40:04.810666Z"}],"osv":[{"id":"CVE-2026-125357","title":"Munin munin-httpd through 2.999.18 Path Traversal via Static File Handler","description":"Munin munin-httpd 2.99.1 through 2.999.18 contains a path traversal vulnerability in the static file handler of Munin::Master::HTML::handle_request that allows unauthenticated attackers to read files outside the static directory. Attackers can request /static/../\u003cfile\u003e to bypass the '/../' substring check and read munin.conf and plugin-conf.d files containing monitored service credentials.","status":"published","published":"2026-11-09T23:27:31.973Z","modified":"2026-11-14T10:30:27.57147982Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-11T03:21:32.226287Z"},{"id":"UBUNTU-CVE-2026-125357","description":"Munin munin-httpd 2.99.1 through 2.999.18 contains a path traversal vulnerability in the static file handler of Munin::Master::HTML::handle_request that allows unauthenticated attackers to read files outside the static directory. Attackers can request /static/../\u003cfile\u003e to bypass the '/../' substring check and read munin.conf and plugin-conf.d files containing monitored service credentials.","status":"published","published":"2026-11-10T00:00:00Z","modified":"2026-11-12T17:25:22.823758046Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-12T18:05:21.140959Z"}]}}