CVE catalog
CVE-2026-109574
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. Att
- Severity
- Medium · CVSS 6.7
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 - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.14% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | hugo | sid | 0.168.0-3 | fixed |
| Debian | hugo | forky | 0.167.0-7 | fixed |
| Debian | hugo | trixie | 0.131.0-1 | vulnerable |
| Debian | hugo | bookworm | 0.111.3-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | hugo | source | sid | 0.167.0-1 | not yet assigned | Not reported | Not reported |
| Debian | hugo | source | forky | 0.167.0-1 | not yet assigned | Not reported | Not reported |
| Debian | hugo | source | trixie | (unfixed) | not yet assigned | Not reported | Not reported |
| Debian | hugo | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
Notes
[trixie] hugo: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [hugo]Affected
Details (2)
0.111.3-1· amd64 · bookwormAffected
nvd · hugo · debian · bookworm; nvd · hugo · debian · 12
0.111.3-1· arm64 · bookwormAffected
nvd · hugo · debian · bookworm; nvd · hugo · debian · 12
[Debian 13 (Trixie)]
- [hugo]Affected
Details (2)
0.131.0-1· amd64 · trixieAffected
nvd · hugo · debian · 13
0.131.0-1· arm64 · trixieAffected
nvd · hugo · debian · 13
Observed:
References
- [https://github.com/gohugoio/hugo/security/advisories/GHSA-3jfr-vjcq-7jvf]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-109574]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-109574]
- [https://security-tracker.debian.org/tracker/CVE-2026-109574]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-109574.json]
- [https://www.vulncheck.com/advisories/hugo-before-0.167.0-path-traversal-via-css-sass-import-fallback]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]