# CVE-2026-109574: hugo: Hugo before v0.167.0 contains a path traversal vulnerability in css.Sass that allows malicious themes or modules to r...

CVE-2026-109574 is fixed in hugo on 1 platform by DEBIAN-CVE-2026-109574 (version 0.167.0-1), released October 13, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-109574
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0014
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 12, 2026

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | hugo Debian 14 | 0.167.0-1 | [DEBIAN-CVE-2026-109574](https://patchblox.com/security/data/fix/linux/debian-cve-2026-109574.md) | Oct 13, 2026 |

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Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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