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 ↗

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

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

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