---
title: "CVE-2026-100692: Hugo - Path Traversal"
description: "Hugo > v0.123.0 and < v0.166.0 contains a symlink traversal caused by insufficient symlink confinement checks at mount roots in themes or vendored modules, letting attackers read and publish files outside intended directories during site build, exploit requires presence of symlinks at mount roots."
url: https://panop.io/threat-heartbeat/CVE-2026-100692/
---

# CVE-2026-100692 Hugo - Path Traversal

Hugo > v0.123.0 and < v0.166.0 contains a symlink traversal caused by insufficient symlink confinement checks at mount roots in themes or vendored modules, letting attackers read and publish files outside intended directories during site build, exploit requires presence of symlinks at mount roots.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.42% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-100692)

## Details

Type

Path Traversal

Impact

File System Read, Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Published

26 September 2026

Updated

15 October 2026

Weakness

[CWE-59](https://cwe.mitre.org/data/definitions/59.html)

## Vendor fix

Update to version v0.166.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-100692](https://nvd.nist.gov/vuln/detail/CVE-2026-100692)
- [https://github.com/gohugoio/hugo/security/advisories/GHSA-797m-7j5g-3rpr](https://github.com/gohugoio/hugo/security/advisories/GHSA-797m-7j5g-3rpr)
- [https://www.vulncheck.com/advisories/hugo-before-0.166.0-path-traversal-via-symlinked-mount-roots](https://www.vulncheck.com/advisories/hugo-before-0.166.0-path-traversal-via-symlinked-mount-roots)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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