{"id":"CVE-2026-109574","aliases":["DEBIAN-CVE-2026-109574","EUVD-2026-98157","GHSA-3jfr-vjcq-7jvf","GHSA-454m-4vr5-7p63","RHSA-2026:80677","UBUNTU-CVE-2026-109574"],"status":"published","title":"Hugo before v0.167.0 Path Traversal via css.Sass Import Fallback","description":"Hugo before v0.167.0 contains a path traversal vulnerability in css.Sass that allows malicious themes or modules to read files outside the project root through the Sass compiler's import fallback. Attackers can ship stylesheets with relative, absolute, or symlinked @import or @use targets to compile readable files into the published site CSS.","severity":{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00144,"percentile":0.03744,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2026-10-12T22:21:50Z","modified":"2026-10-28T02:30:30Z","fixes":[{"ecosystem":"Debian:14","package":"hugo","fixed_in":["0.167.0-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.111.3-1","0.112.7-1","0.113.0-1","0.113.0-2","0.113.0-3","0.114.1-1","0.114.1-2","0.115.4-1","0.116.1-1","0.117.0-1","0.118.2-1","0.119.0-1","0.119.0-2","0.120.3-1","0.120.4-1","0.121.1-1","0.121.2-1","0.122.0-1","0.123.3-1","0.123.7-1","0.123.8-1","0.123.8-2","0.124.1-1","0.125.4-1","0.125.5-1","0.125.6-1","0.125.7-1","0.126.1-1","0.126.2-1","0.126.3-1","0.127.0-1","0.128.2-1","0.128.2-2","0.129.0-1","0.129.0-2","0.130.0-1","0.130.0-2","0.131.0-1","0.131.0-2","0.150.0-1","0.150.1-1","0.151.0-1","0.151.1-1","0.151.2-1","0.152.1-1","0.152.2-1","0.153.0-1","0.153.1-1","0.153.1-2","0.153.1-3","0.153.2-1","0.154.1-1","0.154.2-1","0.154.2-2","0.154.3-1","0.154.5-1","0.155.1-1","0.155.2-1","0.155.3-1","0.157.0-1","0.157.0-2","0.157.0-3","0.158.0-1","0.158.0-2","0.158.0-3","0.159.0-1","0.159.1-1","0.159.2-1","0.160.0-1","0.160.0-2","0.160.1-1","0.161.0-1","0.161.1-1","0.162.1-1","0.162.1-2","0.162.1-3","0.162.1-4","0.162.1-5","0.162.1-6","0.162.1-7","0.165.0-1","0.165.0-2","0.165.0-3","0.166.0-1","0.166.0-2","0.167.0-1","0.167.0-2","0.167.0-3","0.167.0-4","0.167.0-5","0.167.0-6","0.167.0-7","0.168.0-1","0.168.0-2","0.168.0-3"]},{"source":"osv","ecosystem":"Debian:13","package":"hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.131.0-1","0.131.0-2","0.150.0-1","0.150.1-1","0.151.0-1","0.151.1-1","0.151.2-1","0.152.1-1","0.152.2-1","0.153.0-1","0.153.1-1","0.153.1-2","0.153.1-3","0.153.2-1","0.154.1-1","0.154.2-1","0.154.2-2","0.154.3-1","0.154.5-1","0.155.1-1","0.155.2-1","0.155.3-1","0.157.0-1","0.157.0-2","0.157.0-3","0.158.0-1","0.158.0-2","0.158.0-3","0.159.0-1","0.159.1-1","0.159.2-1","0.160.0-1","0.160.0-2","0.160.1-1","0.161.0-1","0.161.1-1","0.162.1-1","0.162.1-2","0.162.1-3","0.162.1-4","0.162.1-5","0.162.1-6","0.162.1-7","0.165.0-1","0.165.0-2","0.165.0-3","0.166.0-1","0.166.0-2","0.167.0-1","0.167.0-2","0.167.0-3","0.167.0-4","0.167.0-5","0.167.0-6","0.167.0-7","0.168.0-1","0.168.0-2","0.168.0-3"]},{"source":"osv","ecosystem":"Debian:14","package":"hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.167.0-1"}]}],"versions":["0.131.0-1","0.131.0-2","0.150.0-1","0.150.1-1","0.151.0-1","0.151.1-1","0.151.2-1","0.152.1-1","0.152.2-1","0.153.0-1","0.153.1-1","0.153.1-2","0.153.1-3","0.153.2-1","0.154.1-1","0.154.2-1","0.154.2-2","0.154.3-1","0.154.5-1","0.155.1-1","0.155.2-1","0.155.3-1","0.157.0-1","0.157.0-2","0.157.0-3","0.158.0-1","0.158.0-2","0.158.0-3","0.159.0-1","0.159.1-1","0.159.2-1","0.160.0-1","0.160.0-2","0.160.1-1","0.161.0-1","0.161.1-1","0.162.1-1","0.162.1-2","0.162.1-3","0.162.1-4","0.162.1-5","0.162.1-6","0.162.1-7","0.165.0-1","0.165.0-2","0.165.0-3","0.166.0-1","0.166.0-2"]},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.167.0-0.2.hum1"}]}],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.15+git20160109.147.dd1d655-1","0.15+git20160109.147.dd1d655-2","0.15+git20160128.179.5def6d9-1","0.15+git20160206.203.ed23711-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.25.1-2","0.26-1","0.35-1","0.37.1-1","0.38-1","0.39-1","0.40-1","0.40.1-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.57.2-1","0.58.3-1","0.59.1-1.1","0.68.3-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.80.0-6","0.89.4-2","0.90.0-1","0.90.1-1","0.91.0-1","0.91.2-1","0.92.0-1","0.92.1-1build1","0.92.2-1","0.92.2-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.113.0-3","0.119.0-2","0.120.3-1","0.120.4-1","0.121.2-1","0.122.0-1","0.123.7-1build1","0.123.7-1ubuntu0.1","0.123.7-1ubuntu0.2","0.123.7-1ubuntu0.2+esm1","0.123.7-1ubuntu0.3","0.123.7-1ubuntu0.3+esm1","0.123.7-1ubuntu0.3+esm2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.154.5-1","0.162.1-5","0.162.1-7"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.131.0-1","0.152.2-1","0.153.1-3","0.153.2-1","0.154.2-2","0.154.3-1","0.154.5-1"]}],"products":[{"vendor":"gohugoio","product":"hugo"}],"references":[{"url":"https://github.com/gohugoio/hugo/security/advisories/GHSA-3jfr-vjcq-7jvf","tags":["vendor-advisory","advisory","article","report"]},{"url":"https://www.vulncheck.com/advisories/hugo-before-0.167.0-path-traversal-via-css-sass-import-fallback","tags":["third-party-advisory","advisory","article","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109574","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-454m-4vr5-7p63"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109574.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-109574","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:80677","tags":["advisory"]},{"url":"https://images.redhat.com/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2024-24786","tags":["report"]},{"url":"https://access.redhat.com/security/updates/classification/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-109596","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-109595","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-109574","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-109597","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_80677.json","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2268046","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-24786","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-24786","tags":["advisory"]},{"url":"https://go.dev/cl/569356","tags":["article"]},{"url":"https://groups.google.com/g/golang-announce/c/ArQ6CDgtEjY/","tags":["article"]},{"url":"https://pkg.go.dev/vuln/GO-2024-2611","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2550039","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-109574","tags":["advisory","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2550056","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-109595","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109595","tags":["advisory"]},{"url":"https://github.com/gohugoio/hugo/security/advisories/GHSA-r4xx-89rf-5424","tags":["article"]},{"url":"https://www.vulncheck.com/advisories/hugo-0.84.0-before-0.167.0-path-traversal-via-js-build-esbuild-resolver","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2550016","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-109596","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109596","tags":["advisory"]},{"url":"https://github.com/gohugoio/hugo/security/advisories/GHSA-6c8w-mpp8-9w47","tags":["article"]},{"url":"https://www.vulncheck.com/advisories/hugo-from-0.162.0-before-0.167.0-symlink-file-disclosure-via-nested-mount-ancestor","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2550088","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-109597","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109597","tags":["advisory"]},{"url":"https://github.com/gohugoio/hugo/security/advisories/GHSA-wcpj-vcvm-j4pg","tags":["article"]},{"url":"https://www.vulncheck.com/advisories/hugo-0.60.0-before-0.167.0-stored-xss-via-table-of-contents-heading-ids","tags":["article"]},{"url":"https://ubuntu.com/security/CVE-2026-109574","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-109574","title":"Hugo before v0.167.0 Path Traversal via css.Sass Import Fallback","description":"Hugo before v0.167.0 contains a path traversal vulnerability in css.Sass that allows malicious themes or modules to read files outside the project root through the Sass compiler's import fallback. Attackers can ship stylesheets with relative, absolute, or symlinked @import or @use targets to compile readable files into the published site CSS.","status":"published","published":"2026-10-12T22:21:50.021Z","modified":"2026-10-26T16:46:47.336Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:20:11.24076Z"}],"euvd":[{"id":"EUVD-2026-98157","description":"Hugo before v0.167.0 contains a path traversal vulnerability in css.Sass that allows malicious themes or modules to read files outside the project root through the Sass compiler's import fallback. Attackers can ship stylesheets with relative, absolute, or symlinked @import or @use targets to compile readable files into the published site CSS.","status":"published","published":"2026-10-12T22:21:50Z","modified":"2026-10-26T16:46:47Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:59:29.132426Z"}],"ghsa":[{"id":"GHSA-454m-4vr5-7p63","title":"Hugo before v0.167.0 contains a path traversal vulnerability in css.Sass that allows malicious...","description":"Hugo before v0.167.0 contains a path traversal vulnerability in css.Sass that allows malicious themes or modules to read files outside the project root through the Sass compiler's import fallback. Attackers can ship stylesheets with relative, absolute, or symlinked @import or @use targets to compile readable files into the published site CSS.","status":"published","published":"2026-10-13T00:31:19Z","modified":"2026-10-13T00:31:20Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/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":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:13:08.654991Z"}],"nvd":[{"id":"CVE-2026-109574","description":"Hugo before v0.167.0 contains a path traversal vulnerability in css.Sass that allows malicious themes or modules to read files outside the project root through the Sass compiler's import fallback. Attackers can ship stylesheets with relative, absolute, or symlinked @import or @use targets to compile readable files into the published site CSS.","status":"published","published":"2026-10-12T23:17:22.73Z","modified":"2026-10-26T17:17:13.803Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/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":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:56.72789Z"}],"osv":[{"id":"CVE-2026-109574","title":"Hugo before v0.167.0 Path Traversal via css.Sass Import Fallback","description":"Hugo before v0.167.0 contains a path traversal vulnerability in css.Sass that allows malicious themes or modules to read files outside the project root through the Sass compiler's import fallback. Attackers can ship stylesheets with relative, absolute, or symlinked @import or @use targets to compile readable files into the published site CSS.","status":"published","published":"2026-10-12T22:21:50.021Z","modified":"2026-10-28T02:30:30.515297309Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:44:55.279797Z"},{"id":"DEBIAN-CVE-2026-109574","description":"Hugo before v0.167.0 contains a path traversal vulnerability in css.Sass that allows malicious themes or modules to read files outside the project root through the Sass compiler's import fallback. Attackers can ship stylesheets with relative, absolute, or symlinked @import or @use targets to compile readable files into the published site CSS.","status":"published","published":"2026-10-12T23:17:22.73Z","modified":"2026-10-27T10:00:09.070324738Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/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"}],"updated_at":"2026-11-02T15:45:49.381767Z"},{"id":"RHSA-2026:80677","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-10-14T10:32:10Z","modified":"2026-10-20T10:43:36.421679395Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:23.547034Z"},{"id":"UBUNTU-CVE-2026-109574","description":"Hugo before v0.167.0 contains a path traversal vulnerability in css.Sass that allows malicious themes or modules to read files outside the project root through the Sass compiler's import fallback. Attackers can ship stylesheets with relative, absolute, or symlinked @import or @use targets to compile readable files into the published site CSS.","status":"published","published":"2026-10-12T23:17:00Z","modified":"2026-10-17T12:59:49.752101608Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"},{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:55:59.130573Z"}]}}